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UNITED STATES PATENT OFFICE. RICHARD von REPPERT, OF ST. LOUIS, MISSOURL CATICULATING-MACHINE, 1,253,310. Specification of Letters Patent. " Patented Jan. 15, 1918. Application filed October 22, 1912. Serial No. 727,159. To all whom it may concern; simple construction in which all parts have Be it known that I, RICHARD voN REPPERT, positive constraint motion and are posi 55 a citizen of the United States, residing at tively locked against accidental movement St. Louis, State of Missouri, have invented in all phases the machine assumes; to pro certain new and useful Improvements in . vide a totalizing mechanism which auto Calculating-Machines, of which the follow matically reverses when subtracting move ing is a specification. ment is imparted to the total wheels; to pro 6 My invention relates to calculating ma vide a machine having a train lock to lock chines and has for its general object the con the several trains against accidental move O struction of a machine that performs the ment and unlock as many trains as are four fundamental calculations, addition, engaged by item wheels; to provide a ma subtraction, multiplication and division, as chine having a series of movable gear sec 65 well as other useful commercial work, in a tors which are permanently connected to the practical manner; a machine whose work is type sectors and which are arranged to move 5 absolutely accurate and subject to visual con simultaneously to engage both the item. trol, and one that can be operated with very wheels and a series of gears connected with little manual effort at great speed. the total wheels to thereby establish positive 70 Other objects are, to provide a machine operative connection between the item in which the item or items, the accumulated wheels, the total wheels and the type sec 20 total, and the multiplier or quotient, respec tors; to provide an item retaining device of tively, are visually displayed on numeral novel and simple construction arranged to disks; to provide a machine having movable' lock the retaining pawls of the item mem 75 decimal point lugs to be used primarily in bers in the respective positions at which conjunction with multiplication and division they have been set by the keys, thereby to 25 to point off the decimal places on the nu retain a set up item for repeated-addition meral disks; to provide a machine having a or subtraction as is necessary for multipli flexible and speedy key action by arranging cation and division; to provide a machine 80 that a depressed key is restored to its nor having a printing mechanism arranged to mal position by the operation of another be split so that two columns of figures may 30 key; to provide an item entering and item be added and printed without showing ci wheel clearing device actuated by the operat phers between the two columns; to provide ing lever, the moving parts being so ar a machine in which certain of the total 85 ranged that continuous movement of the wheels can be eliminated from receiving en operating lever is transformed into move tering movement so that the type sectors 35 ment of tne clearing device having gradually corresponding to these total wheels can be diminishing velocity, in order to equalize utilized for printing numbers not to be the resistance of the item members and gear added or subtracted; to provide a machine 90 trains and to avoid shocks to the machine, arranged to print two columns of figures to provide an item mechanism having and having means for adding and printing 40 spring-driven item members mounted in a the total of one of said columns of figures; carriage and arranged to be set to represent to provide a machine having a clearing de an item and simultaneously to move into vice for the total wheels, actuated by the 95 proper coöperative position with the totaliz operating lever and arranged to transform ing mechanism; to provide key actuated stop continuous and uniform movement of the 45 devices to release and set the item members operating lever into movement of gradually so arranged that an item member is re diminishing velocity to equalize the resist leased by the actuation of a key and the ance of the clearing trains and to avoid 00 stop member is positioned and remains po shocks to the machine; to provide means for sitioned until after the actuation of a second insuring that the actuating lever shall be 50 key, thereby giving the item members ample moved to its full stroke, thus insuring a time to assume the desired position when complete cycle of operations; to provide a the keys are most rapidly actuated; to pro machine having positive locking means con 105 vide a totalizing mechanism of novel and trolled by the actuating lever for prevent 1258,810 wheel carriage and a side detail view of the 65 ing operation of the figure keys, back-spac back-spacing device; ing key, adding and subtracting keys, total Fig. 12 is a sectional view of two adja and sub-total keys during the full forward cent item wheels, the springs being omitted; and return stroke of the actuating lever; to Fig. 13 is a detail of the back-spacing de provide a lock for the total key to lock the vice as seen from the left in Fig. 11; 70 same againist operation when the item wheel Fig. 14 is a side detail view of the oper carriage is out of normal position; to pro ating lever connections, showing the shock vide a lock for the item wheel carriage to preventing devices, the actuating means for lock the same in normal position by the op the item-wheel clearing mechanism, and the 0. eration of the total key; to provide a latch left side plate of the key-board and the parts 75 for the total key to lock the same in de thereon actuated by the operating lever; pressed position, and means to unlatch the Fig. 15 is a detail view of the clearing same by the operation of the error key, to mechanism actuating levers in actuated posi provide a machine arranged to automatically tion. . 5 print the minus sign adjacent to each item Fig. 16 is a left side detail view, showing 80 entered while the machine is set for subtrac the connections of the repeat, error and sub tion; to provide a machine that can be total keys, the actuating mechanism for the locked in printing or non-printing position gear-sector rocking frame, and the lever so that all items entered are respectively actuating the printing mechanism, paper 20 either printed and accumulated or only ac and ribbon feed, and lock therefor for lock cumulated and not printed. - ing these parts in operative or inoperative The expression “set up” as employed in position; this specification refers to the movement of Fig. 17 is a part cross-section and part parts in proportion to the figures of an item front elevation of the mechanism behind the 25 Or Theamount. expression “positive constraint mo keyboard, some of the parts being omitted; 90 tion' as employed in this specification refers Fig. 18 is a detail view of the printing to the movement of parts by means under mechanism, showing a type sector and ham positive mechanical control without the em mer in moved position; 30 ployment of springs or yielding elements. Fig. 19 is a view of a part of the right These objects, and others as will appear side of the casing showing the paper car 95 hereinafter, are accomplished in the calcu riage and paper feed mechanism in end ele lating machine illustrated in the accom vation;Fig. 20 is a view of a part of the left side panying drawings forming part of this speci of the casing, showing the ribbon feed mech fication. The improvements and combina 00 tions of parts constituting my invention are anismFig. in21 side is a elevation; top view of a portion of the fully set forth in the following description, casing showing the end of the lever for actu. and will be pointed out with particularity in ating the printing mechanism and lock for the appended claims. locking the same in operative or inoperative 40 In the drawings, in which like symbols position; iOS are used to designate like parts wherever Fig. 22 is a perspective view of the total they appear, wheel gear train arrangement and the car Figure 1iis a side view of the complete rying mechanism, showing the carrying machine; parts in normal position and the gear wheel 45 Fig. 2 is a right side elevation thereof 200 set in adding position; 10 with the casing removed; Fig. 23 is a detail view, partly broken Fig. 3 is a left side elevation thereof with away, of the carrying mechanism, showing theFig. casing 4 is removed; a partial front elevation- thereof a carrying train set for addition; 50 with the front part of the casing removed; Fig. 24 is a similar detail view of the car Fig. 5 is a rear elevation thereof with the rying mechanism, showing a train in the act 115 casing removed; of carrying; - 4. Fig. 6 is a plan view thereof with the cas Fig. 25 is a right side detail view, showing ing removed; the connections of the adding, subtracting 55 Fig. 7 is longitudinal section on the line and total keys and the locks therefor; also AB in Fig. 6; - the carriage lock, the drive mechanism for 20 Fig. 8 is a front detail view of the key the carrying mechanism and the clearing mechanism and key-repulsing device; pinions, and the mechanism for rocking the Fig. 9 is a side detail view showing a key frame carrying the gear sectors; 60 and the parts actuated thereby in moved Fig. 26 is a front detail view of a total position; wheel gear train arrangement, the gear 200 125 Fig. 10 is a plan detail view of the item being shown in full lines in position for wheel carriage; addition and in dotted lines in position for Fig. 11 is a sectional view of the item subtraction and clearing; 1253,810 totalizer in such a position that, upon en 65 izerFig.27 clearing is a gearside detailand its view driving of the pinion, total tering an item, the total wheels will be ro showing them in normal position; tated in the reverse direction to that in Fig. 28 is a top view of the gear and which they rotate when the machine is in pinion shown in Fig. 27; normal, or adding position. Fig. 29 is a detail of the carrying mecha To repeat an item. 70 nism, showing the four disks or cams com After the item to be repeated has been set prising a set for the actuating cam shaft; up in the item wheels, the repeat key is de Fig. 30 is a detail of the carrying mecha pressed. This sets an item retaining mech O nism, showing a set disk and a lock disk for 75 a total wheel; anism mounted in the item wheel carriage in Fig. 31 is a front view, partly in section, effective position and also disconnects the of the register; carriage from the devices which ordinarily Fig. 32 is a sectional view of the register return it to normal position; furthermore, a 15 on the line A-B in Fig. 31: - register, to count the number of times the Fig. 33 is a detail of part of the drive item is repeated, is connected up with the 80 mechanism for the total wheel clearing operating lever. The item may then be re pinions: peatedly added or subtracted by the repeat Fig. 34 is a detail of part of the drive ed actuation of the operating lever without 20 mechanism for the carrying mechanism; restriking the same on the keys. Fig. 35 is a side view of a portion of the Multiplication. 85 back-spacing key; Figs. 36 and 37 are details of the splitting Multiplication is accomplished by repeat device for the Zero printing mechanism: ed addition. For instance an item is to be Figs. 38 and 39 are details of the shock multiplied by 254. The item is set up in the spring and its mounting; item wheels by the use of the figure keys, 90 Fig. 40 is a view of the notch collar 543: then the repeat key is depressed and the op Fig. 41 is a view of knob i540 which actu erating lever is actuated four times, i. e. ates the eliminating device; the last figure of the multiplier. The Zero 30 Fig. 42 is a detail view of the thumb knob figure key is operated once; this moves the for setting the two column figure printing set up item wheels into coöperative position 95 device in operative and inoperative position. with the totalizing gears of the next higher Before describing the constructional de decimal order and simultaneously adds a tails of the calculating machine illustrated cipher to the item, which is equivalent to in the drawings, the manner of operating multiplying it by ten. In this position the 35 operating lever is actuated five times, i.e. 00 the machine to perform the four arithmeti the second figure of the multiplier; then the cal processes, addition, subtraction, multi Zero key is again operated once, following plication and division, will be briefly ex which the operating lever is actuated twice. plained as follows: The register disks will show the figure 254, 40 Operation of the machine. i. e. the multiplier; and the product is vis 05 ually displayed on the numeral disks of the To enter or add an item. totalizer. To reset the item wheels, the er The operation of the figure keys actuates or key is depressed and the operating lever escapement mechanism controlling a series actuated, which also restores the repeat key 45 of item wheels and the laterally movable to normal position. 110 carriage in which they are mounted, there Division. by causing the item wheels to be rotated or “set.” to represent an item, and also moving Division is accomplished by repeated sub them into the proper coöperative position traction. For instance to divide 7983 by 50 with the totalizing devices. The forward 362. The dividend 7983 is struck on the 5 stroke of the operating lever rotates the item keys and entered into the totalizer. If it wheels to normal position, and, through suit is desired to obtain a fraction in the result, able intervening mechanism, transfers this two ciphers are struck and added to the return movement of rotation into the total item before entering it, so that the number 55 798300 is visually displayed on the totalizer 20 izer and to the type sectors. At the end of disks when the item is entered. Two mov its forward stroke, the operating lever causes able lugs, representing decimal points, are printing to take place. The return stroke mounted on the casing and one is now moved of the operating lever returns the carriage to point off the two ciphers displayed on the 60 and type sectors to normal position. totalizer disks. The divisor 362, is now set 125 To subtract an item. up in the item wheels by means of the figure The subtracting key sets the mechanism keys, and the Zero key is operated three intervening between the item wheels and the times in order to add sufficient ciphers to g 2,258,810 bring the left hand figure of the item, or tripping devices between the third and 65 divisor, under the left hand figure of the fourth hammers. This device ordinarily dividend displayed on the totalizer disks, causes a cipher to be printed to the right of thus, any significant figure entered into the ma 7983000 chine. The above items are now successively en 7) 3620000 tered by first striking off the date on the To assist in positioning the item wheel car figure keys, then striking the Zero key as riage, vertical order lines are provided on many times as there are spaces between the 0. the casing. The machine is now set for sah last figure of the date and the first figure traction and the repeat key is depressed. of the amount, and then striking off the 75 The operating lever is now successively op amount on the figure keys. By reason of erated, until a visual inspection will show the above mentioned devices, when the items that 362 cannot be subtracted any more from thus set up are entered the Zeros between I 5 the three left hand figures of the dividend, the dates and amounts will not be printed, that is, twice. The condition will now be and the work will appear as shown above. 80 thus The sum total of the addition may extend 074300 to the full capacity of the machine, but be 362000 fore printing the total the machine must be 20 reset to normal position. In a like manner The back spacing key is now operated and amounts may be subtracted from a total and 85 moves the item one decimal point to the dates or numbers accompanying the amounts right, thus may be printed simultaneously. 04:300 To split the machine so that two columns 25 36200 of figures may be added or subtracted the split knob to the rear on the left of the ma 90 The operating lever is again actuated twice, chine is set. This sets the machine so that i.e. 362 can be subtracted twice, the condu a left column with a capacity of three figures tion then being thus, and a right column with a capacity of five 30 1900 figures is provided. The left column may 36200 be used now to add the number of articles, 95. The register disks will now show 22, which as barrels, bushels, etc., and the right col is the entire part of the result, and before umn to add the weights or amounts, etc. 35 continuing the division, the other decimal To print the total. K point is moved to point, off the fractional The total key is depressed, which sets the 00 part of the result. The back spacing key machine in subtracting position and also will have to be actuated twice in order to connects a set of clearing pinions with the continue the subtraction, and in this position operating lever. The operating lever is now . 40 the operating lever is actuated five times, actuated and, through these clearing pin leaving a remainder of .90. The result of ions, the total gears are returned to Zero 05 the division, 22.05, is shown on the register. position and simultaneously the movement To print dates or numbers not to be added of each total gear is transferred to the type or subtracted. sector corresponding thereto. During the 45 return stroke of the operating lever the con The four left hand totalizing gears are nection between the total gears and the type 0 arranged to be disconnected so that they are sectors is broken, and the type sectors are re not subject to any entering movement. For turned to normal position. instance, it is desired to make the following 50 entries, the left column denoting dates: To print a subtotal. 75000 The total key is depressed, then the sub 5 2 7956 total key is depressed and held down during 598325 the operation of the operating lever, thereby 13 575 maintaining operative connection between 55 22 9560 the type sectors and totalizing gears during the return stroke. During the return stroke 120 the type sectors are returned to normal posi 191416 tion and their return movement is trans The two knobs on the left side of the casing ferred back into the totalizing gears. 60 are rotated to “set' position. The for If desired, the printing mechanism may ward knob shifts the gears connecting the be thrown out of operative relation and no 25 item wheels with the four left hand totalizer printed record made of the calculations per gears into neutral position, and the rear formed by the machine. A cabinet lock is knob breaks the connection of the hammer provided to lock the printing mechanism ac i,253,310 5 plates. A hollow flange 36 on the item 65 tuating lever in either operative or inoper wheel serves as a casing for the spring. ative position. These springs tend to rotate the wheels away Description of the machine. from normal position. Each wheel has a In describing the construction and me stepped disk 37 fastened to it, which co chanical operation of the machine, the va operates with the corresponding one of a 70 rious parts and mechanisms will be divided series of retaining pawls 38 mounted on into the following main divisions, namely, shaft 39. Each of the steps of the stepped frame, item wheel carriage and item wheels, disk 37 subtends one tooth space on the pitch key mechanism, actuating mechanism, print circle of the item wheel, i.e. if the retaining 10 ing mechanism, carrying mechanism, adding pawl is depressed so that the item wheel will 75 and substracting mechanism, total printing rotate until the fifth step of the disk will mechanism, multiplying and dividing mecha strike it, the wheel will have rotated five nism, two column mechanism, and locking teeth. Normally the retaining pawls rest devices for the figure keys, operating keys, on the innermost step, as shown in Fig. 11, 15 and are held in this position by springs 40 80 item wheel carriage, two column mechanism on rod 41. A series of disks 42, carrying and printing mechanism. visible numbers, are arranged on a rod 48 Frame. secured at its ends in the side plates of the The frame-work of the machine may be carriage. These number disks are in mesh 20 subdivided into four sections; the lower sec with the item-wheels, and denote the num 85 tion consists of the base plate 1, side plates ber of teeth the various item wheels have 2 and 3 and the bracket 4. See Fig. 5. The escaped. i. e. visually display the item “set key-board section consists of the side plates up.' The retaining pawls 38 have a series 5 and 6 and the bracket 7; the side plates of ten notches 49, corresponding with the 25 rest on the base plate and are screwed down ten positions they may assume, and the lock 90 to same. See Fig. 4. The upper section is pawls 43 mounted on shaft 44 are arranged in two parts, one carrying the transferring So that they may engage these notches and and printing mechanism and the other the lock the retaining pawls. The rear arms 30 totalizing mechanism. It consists of the side of the lock pawls form cams terminating in plates 8 and 9 and the bracket 10; the front a dwell, and are arranged to be actuated by 95 ends of the upper section side plates have the plate 45 inserted into the shaft of the lateral projections which rest on the left small rocking frame 46, journaled in the side plate 3 of the lower section and on the carriage side plates. By means hereinafter 35 supporting bracket 11, and the rear ends described the frame 46 is oscillated until thereof rest on the bracket 4. See Figs. 5 and the plate is on the dwell and against the 100 17. The totalizer section consists of the side shoulder on the pawls. With parts in this plates 12 and 13, the tie shaft 14, and the position the retaining pawls are locked shaft 15 on which the total wheels are against the tension of their springs, and 40 mounted, which also acts as a tie-member. against actuation by the figure keys. If the The outline of this section is best shown in retaining pawls are locked in this manner 105 Fig. 3. It is mounted on the side plates of after an item has been “set up” on the item the upper section, and is held in position wheels, these may be returned to normal po sition and will then, under the impulse of by screws 16 as shown in Fig. 6. their springs, rotate to their former “set up' 45 Item cheel carriage and item wheels. position against the retaining pawls. This O The item wheel carriage consists of the arrangement is useful for purposes of mul body piece 26 and the side plates 27 and 28 tiplication and division as hereinafter ex fastened thereto. See Figs. 7 and 9 to 11. plained. 50 The body piece is hollow and has two rollers Aey mechanism. 29 supporting it on a shaft 30, inserted 115 through the hollow portion of the body, The figure keys 51 are mounted on shaft and which is mounted in the frame-work 52 supported in the key-board side plates, of the machine. The upper parts of the and are held in normal position against 55 carriage side plates are guided by a shaft the stop bar 53, by springs 54. See Figs. 7, 31 which is also mounted in the frame 8 and 9. The downward extension 55 of 20 work. The item wheels 32 are loosely each key has a cut-out portion forming a mounted on shaft 33, and each item wheel cam 56 with a short dwell at the bottom. has a spiral spring 34 connected to it near The amount of throw of the cam varies ac its hub, the other end of each of these springs cording to the figure of the key, the nine key 60 being connected to a spring bar 35 which having nine times the throw of the one key. 25 passes through the concentric slots 47 in the A rocking frame 57 carrying a Swinging item wheels. The ends of the shaft 33 and shaft 58 is journaled in the side plates and is spring bar are fixed in the carriage side held in normal position by a spring 59. The 6 1253,310 shaft 58 is rotatingly mounted in the frame is pivotally mounted on a lever 73 tight on 57, and is in position to be engaged by any a shaft 74. Near the left side plate, a lever one of the aforesaid key cams 56 after the 75 is mounted on the shaft 74 and a spring respective key has been depressed a short 76 holds it against a stop pin 77. The slot distance. By these means, upon depressing in jaw 69 is widened at the bottom so that if 70 a figure key the rocking frame is rocked in the link 72 is pulled forward and the pin proportion to the figure of the key depressed. 71 is moved to the widened portion of the A set lever 60 is mounted on the rocking slot, by means hereinafter described, the jaw frame 57 and normally is in such position 69 can have movement away from the jaw 0 that the retaining pawls 38 of the item 68. The escapement jaws coöperate with 75 wheels may be successively brought, by the the toothed bar 78 mounted on the carriage lateral movement of the item wheel car body piece 26. Normally the jaw 69 is in riage, to stand vertically over the set lever engagement with the toothed bar, in the po to be actuated thereby. A grooved plate 6i, sition shown in Fig. 7. The down stroke of 5 mounted on the shaft 62, is adjacent to the a figure key causes this jaw to be moved out 80 set lever 60 on the left hand side thereof. of engagement therewith, as shown in Fig. The corners at the right hand ends of the 9, permitting the escapement of the car grooves therein are chamfered to facilitate riage one-half of a unit space. The up the entering therein of the ends of the pawls stroke of the figure key allows the spring 20 38 after leaving their position above the set 65 to oscillate the jaw back to normal posi 85 lever. The object of this plate is to hold the tion, and permits another one-half unit retaining pawls 38 in set position for an ap space escapement of the carriage, thereby preciable length of time in order to give the completing one unit travel thereof. The item wheels corresponding thereto ample spring 79 which moves the carriage is con 25 time to assume their set positions under the nected in the following manner: A link 80 90 impulse of their springs. This movement connects the carriage body with the lever 81 occurs whenever a key is sufficiently de having a hub 84 which is fulcrumed on a pressed to actuate the escapement of the car stud 82 mounted on the base of the machine. riage, as will be described hereinafter. Ac See Figs. 10 and 17. A lever 83 is fastened 30 cording to the key actuated, the pawl 38 is to the lower end of the hub 84, and the ten 95 raised to come in line with one or another of ision spring 79 is fastened to this lever 83 at the grooves on plate 61, and after having one end, the other end being hooked to the entered same will be held in position thereby. pin 85 on the base plate near the front end The width of the grooved plate 61 is such of the machine. that each retaining pawl 38 which travels O) into engagement therewith at the end of the Aepulsing device for the key. stroke of the figure key which set it, will Speedy operation of the keys is greatly remain in engagement with its groove in the facilitated by arranging that any key can be plate 61 until the carriage is again escaped depressed while another key is rising to nor 40 by the operation of a figure key, whereupon mal position. To avoid interference of mov 105 it will travel clear of the plate. ing parts, it is necessary to provide positive acting means to raise the key first depressed The carriage escapement. a certain distance by the movement of an A rocking frame 63 carrying a Swinging other key being depressed. A key repulsing 45 shaft 64 is oscillatingly mounted in the key device is provided for this purpose. The 110 board side plates parallel to and spaced finger keys each have a cam projection 86 slightly from the frame 57 and shaft 58. which coöperates with one of a series of The frame 63 is held in normal position by pawls 87. These pawls are tight on a shaft a spring 65, with the shaft 64 against the 88 journaled in the key-board side plates, 50 lower ends of the extensions 55 of the figure and the end plates 89 fastened to this shaft 15 keys, which are shaped to form cams 66 carry a swinging rod 90 arranged immedi with dwells at their lower ends. These cams ately below all of the finger keys. The are alike on all keys, and when a key is parts are so arranged that when a key has depressed it moves the Swinging shaft 64, been depressed to such an extent that the 55 rotatingly mounted in the rocking frame 63 highest point of the cam projection is at 120 mentioned above. A link 67 connects an the point of the corresponding pawl, the key arm on the rocking frame with the escape body will just touch the shaft 90, and the ment jaw 68. There are two escapement continued depression of the key will carry jaws, 68 and 69; the upper jaw 68 is tight on the shaft down and set its corresponding 80 the shaft 70 and the lower jaw 69 is loose pawl 87 above the cam projection 86 of the 1.25 thereon. Each of the jaws has a radial slot key so operated; the pawls 87 for all the and the two slots are in line. The pin 71 in other keys will be below the cam projections a link 72 enters through the two slots and thereon. If now, with one key down, pres thereby locks the two jaws together so that sure is exerted on another key and the pres 65 they ordinarily move as a unit. The link 72 sure on the first key relaxed, then the second 30 i,258,310 p key will act on its pawl 87 and through the end of this dash-pot is pivotally mounted shaft, 90 push or raise the depressed key on a bracket 117 on the base plate of the ma from low position, i. e. the descent of the chine and the piston connects to a lever 118 second key forces the first key to ascend; on the shaft 112. furthermore, the first key must be raised to Full stroke device. 5 a certain position before the second key can continue its descent. This position is To compel the operating lever to make a reached when the highest point of a cam connplete forward and return stroke, and projection 86 is at the point of the corre thereby to insure a complete cycle of opera 75 0 sponding pawl 87, and this is the meeting tions, a full stroke device is provided. See E. of a key in the act of ascending and a Fig. 3. On the left end of main shaft 112 key in the act of descending. At this point, a lever 119 is mounted, and pivotally mount the ascending key has reset to normal posi ed thereon is the four armed pawl 120 and tion the devices actuated by all the keys, and the pawl 121 which is held by its spring 122 80 5 at this point the descending key takes hold in coöperative relation with the downward of these devices to actuate them. With the extending arm of the pawl 120, to hold the exception of the actuation of the repulsing same in either of its two positions. Two device the downward key travel is idle to arced plates 123 and 124 are mounted side this point, the dwells on cams 56 and 66 by side on the frame. The arced plate 124 85 20 mentioned above being provided for this has notches to coöperate with the rear arm purpose. of pawl 120 to prevent a return move Actuating mechanism. ment of the lever 119 when it has started on its forward travel. In a like manner the The foregoing describes the devices actu arced plate 123, has notches to coöperate 90 25 ated to set up an item in the machine, and with the forward arm of pawl 120 to pre now the devices actuated to enter the same, vent forward movement of the lever 119 clear the item wheels, and reset the carriage after it has started on its return travel. will be described. The operating lever 101, The upward extending arm of pawl 120 co by means of the link 102 and the lever 103, operates with the two pins 125 on the arced 95 SO oscillates the shock spring shaft 104. See plate 124 to reverse the pawl at the end of Fig. 2. The drive collar 105 mounted cen each stroke. trally on this shaft 104 transmits this move ment to the shock spring 106. See Figs. I ten-wheel resetting and entering mecha 38 and 39. The two ends of this spring rest nism. 100 against the levers 107 which are loose on the Links 126 connect the levers 107 to the shaft 104 and hold them against the stop levers 127 fulcrumed on the inside of the levers 108 which are tight on the shaft 104. side plates, and these levers 127 are con See Fig. 14. As the parts are arranged, the nected by links 128 to levers 129 which are movement of the operating lever is trans likewise fulcrumed on the side plates and 105 40 ferred through the spring 106 to the levers in line with the axis of rotation of the item 107, and as all further connections are made. wheels. A bar 130 is mounted at its end on to these levers, it will be seen that if the re these levers 129 and extends through the sistance of the mechanism driven by these concentric slots 47 in the item-wheels. The levers is greater than the tension of the inormal position of this bar. is near the up O 45 spring 106, the spring will flex and the op per ends of the respective item-wheel slots erating lever will be ineffectively actuated. 47, and when the item-wheels are “set,” the The shock spring is so adjusted, that if the other ends of the slots therein approach the operating lever is. operated above a certain bar. See Figs. 7, 14 and 15. speed the spring will momentarily flex and The parts are so arranged that the operat 5 cause the mechanism driven by it to lag ing lever, through the means described, behind: thereby avoiding shocks to the moves the bar 130 through a circular arc, mechanism. concentric to the item-wheels, sufficiently The connecting links 109 connect the to strike the ends of the slots 47 and ro levers 107 to the levers 110 and 111 mounted tate to normal position any item-wheels that 20 55 on the main shaft 112. Toward the left on may have been set. The operating lever is this shaft a lever 113 is mounted, and a operated by a quick pull forward until the spring 114 has one end connected to this lever 103 strikes the stop pin 131; it is, how lever and the other end connected to a ever, undesirable that the bar 130 be brought bracket 115 on the base plate of the ma to an abrupt stop, as this would cause a 25 60 chine. This spring has as its function to shock in all parts driven thereby. The retract the operating lever and all partsA. above described linkage, which drives the connected thereto to normal position. bar 130, is therefore arranged to give the bar dash-pot 116 is provided to regulate the movement of decreasing velocity. The links speed and absorb the shock caused by the 128 which drive the levers 129 arrive at the 130 65 action of the retracting spring. The rear E. 2263,830 dead center shortly before or at the end of will oscillate the lever i42 and depress the the stroke of the operating lever, and there front arm of lever 146 and raise the rear fore the levers 129 and the bar 130 come to arm thereof. This will raise the point of a gradual stop while the operating lever the pawl 137 out of the path of lever 136 5 continues its movement for a short distance, and the pawl 147 will hold the lever 146 in to Another purpose accomplished by this ar set position by engaging the shoulder there rangement is to neutralize the increased re on, as shown in Fig. 9. This leaves the sistance met by the bar 130 on its travel. carriage free to escape step by step. During the first part of its travel, the bar When the operating lever is actuated, the 10 will rotate only such wheels as have been lever 138 is oscillated and the end of it will 75 escaped or set to nine position, then those strike the rear arm of pawl 147, thereby set to eight position, etc., and at the last disengaging same from lever 146. The rear part of its travel it will rotate all item end of the lever 146 will, under the impulse wheels that have been set, no matter to what of the pawl spring 141, swing down slightly. 5 position. The bar 130 is arranged to travel and the pawl 137 will be lowered into the 80 idle for a short distance before engaging path of lever 136. On the return stroke of wheels that have been escaped to nine posi the operating lever 101, the pawl 137 will tion; this is to provide time to establish a engage the lever 136 and return it and there connection between the item-wheels and the by the carriage, to normal position. 20 devices actuated thereby, prior to rotating In a previous paragraph it has been de- 85 the item-wheels. scribed how the carriage is laterally moved or escaped to position the item-wheels, by Carriage retracting device. the oscillation of the escapement jaws 68 A bevel gear sector 132 is mounted on and 69. Means are provided to open these 25 the hub 84 on which lever 81, which has jaws so that the carriage can be retracted. 90 been mentioned in conjunction with the pro See Fig. 14. To move the interlocking pin pelling means of the carriage, is mounted, 71 in lever 72, to the lower end of the slots and a bevel gear sector 134 is mounted on a in the escapement jaws, a lever 149 is bracket 135 and is in mesh with the sector mounted on the shaft 74 where it extends 80 132. See Figs. 7, 9 and 10. By reason of through the key-board side plate. A pin 150 95 these connections an escapement of the car is mounted on this lever 149 and a lever 151 riage will cause a step by step movement of on the shaft 152 has an extension 153 which these parts. engages the pin 150 and opens the escape A lever 136 is fastened to the sector 134 ment jaw lock when the lever 151 is oscil 35 and a pawl 137, mounted on a lever 138 hav lated. To hold the lock in open position a ing the same fulcrum as the lever 136, is in retaining pawl 154 is pivotally mounted on 100 line with the lever 136 and is arranged to the side plate and is arranged to engage a engage the upper end thereof. The lever pin 155 on lever 149. An actuating spring 138 is connected by a link 139 to lever 140 on 156 is connected to the rear arm of the re 40 the shaft 112 oscillated by the operating taining pawl 154. The lever 153 has an ex 05 lever. A spring 141 normally holds the tension 157, which normally holds the re pawl down in the path of lever 136. Tight taining pawl 154 out of engagement with on the shaft 70 on which the escapement pin 155 on lever 149, but when the lever 151 jaws are mounted, is a lever 142, and a link is oscillated the retaining pawl is free to 45 143 connects this lever and the three armed engage and retain the pin. A link 158 con 10 lever 144 pivoted on bracket 11. The rear nects the lever 151 to a lever 159 mounted ward arm of this lever 144 has a pin 145 on the shaft 112 oscillated by the operating which engages the lower edge of a wide slot lever. The parts are so arranged that at in a lever 146 mounted on the bracket 135. the end of the initial or forward stroke of 50 This lever 146 has a curved extension which the operating lever, the lever 151 is oscil L5 extends under the point of the pawl 137, for lated sufficiently to move the lever 149, and the purpose of raising and holding the same the escapement is set to open position; and out of the path of the lever 136 whenever a at the end of the return stroke of the operat finger key is actuated. A three-arm pawl 147 ing lever the pawl 154 is released and the 55 is mounted on the bracket 135; the lower arm escapement jaws are closed and locked, the 20 coöperates with the lever 146 to hold the carriage being retracted to normal position same in set position, the upper arm has an by the bevel gear sectors and lever, 81 during actuating spring 148 to accomplish the the return stroke of the operating lever. aforesaid purpose, and the rear arm is actu- i. In a previous paragraph it has been de 60 ated by the lever 138 to disengage the lower scribed how the item-wheel pawls travel into 25 arm from the lever 146. Normally parts the grooves of the plate 61 to be held in are as shown in Fig. 7. The pawl 137 is position thereby. Means actuated by the in the path of lever 136 and the lower arm operating lever are provided to oscillate the of the pawl 147 is out of engagemen with plate 61 to thereby release the last pawl 65 lever 146. The operation of a finger key engaged therewith, so that the pawl can 130 1,258,810 engage and relock the item-wheel in normal Error key. position. The shaft 62 extends through the An error key is provided to prevent the left side plate and a lever 160 mounted engaging movement of the connecting sec thereon is engaged by the pin 161 on link tors 166 so that in case a wrong figure has 158 and is held by this pin in normal posi been struck on the keys, the item wheels can 70 tion against the stop pin 162 on the side be reset without entering this movement. plate as shown in Fig. 14. Whenever the The lower end of the error key 181 is con operating lever is actuated and the link 158 nected to the lever 182 mounted on shaft 183 moves rearward, the pin 161 will release which extends to the right side of the key 0 lever 160 and the pin 163 on link 158 will board. See Fig. 16. The spring 184 holds push lever 160 against the stop pin 164, the error key in normal position with the thereby disengaging the plate 61 from any stop pin 185 against the key-board plate. A pawl 38 engaged therewith. lever 186 is mounted on the right end of Item transferring mechanism. shaft 183 and a link 187 connects this lever 80 To the rear of the item wheels are a series with a lever 188 on shaft 189 mounted in of connecting gear-sectors 166 rotatably the brackets 190 and 11. An upward ex mounted on the shaft 167 in the rocking. tending lever 191 is mounted on shaft 189 frame 168 carried by the shaft 169. See and a pin 192 thereon is arranged to coöp Fig. 7. The shaft 169 carrying the rocking erate with the lower arm of pawl 171. The 85 20 frame is mounted in the side plates and the parts are so arranged that when the error right end protrudes through the side plate key is depressed, the pin 192 will engage and and carries a lever 170. See Figs. 16 and oscillate the pawl sufficiently to disengage 25. Pivotally mounted on this lever is a the toe on the upper arm from the sector awl 171, the lower arm of which has a 173, so that when the sector is oscillated by 90 25 springP 172 connected thereto which tends to the actuation of the operating lever the pawl hold the toe of the upper arm rearward in will not be raised and the connecting sec engagement with the upper corner notch in tors will not be engaged. A retaining pawl a segment 173. The pawl 171 carries a pin 193 and a spring 194 are provided to hold the 174, projecting from its upper end on the error key in depressed position until the op 95 30 face toward the side plate, in line with and erating lever has completed its forward slightly below the apex of a wedge shaped pin stroke. At or near the end of the forward 175 mounted on the side plate. A cam plate stroke of the operating lever, the extension 176 is mounted on the segm t y 157 on lever 151 will engage the forward 177 is pivoted on the side plateent, with and aits pawl free arm of pawl 193 and disengage it from the 100 35 lower end suspended between the cam plate error key. See Fig. 3. 176 and the pin 174. A link 178 connects Gear trains. the segment 173 with the lever 179 fixed on the shaft 112. See Fig. 25. The parts are The oscillation of the rocking frame 168 so arranged that the oscillation of the seg by the above described means causes the sec 05 40 ment will raise the pawl 171 and as soon as tors 166 to engage such of the item-wheels the center of the pin 174 in this pawl has 32 as have been moved into alinement with passed the edge of the wedged shaped pin the total wheel gear trains by the movement 175, the cam plate 176 on the segment will of the item wheel carriage from normal lat oscillate the pawl 177 and this pawl will eral position, and simultaneously to engage 10 push the pin 174 forward onto the upper all of a series of gears 200 which are mount edge of the wedge shaped pin 175, thereby ed on the shaft 201. See Figs. 7 & 17. This gradually disengaging the pawl 171 from shaft, including the gears thereon, is lat the segment 173. When this is accom erally shiftable by the operation of the add plished, the pawl 171 will ride on the con ing and subtracting key to set the gear 15 centric surface of the cam plate 176, thereby trains in either adding or subtracting posi holding the pawl in upper or set position. tion, as will be more fully described. The segment oscillates upwardly far enough Above these gears 200 is a series of larger to bring its lower corner notch opposite the gears 202 and above these are the total 55 toe on the pawl 171, and to allow the re wheels 203. To the rear of gears 200 and 120 taining pawl 177 to ride off the end of the 202 are a series of ten toothed pinions 204 cam plate, thereby releasing the pawl 171, which are permanently in mesh with the which will drop off the wedge pin under the gears 202. The parts are so arranged that action of the spring 172. The return oscil when the machine is set in adding position, lation of the segment will force the pawl the gears 200 engage the gears 202 and are 25 171 down and the pawl 177 forward, carry out of engagement with the pinions 204 as ing the toe of the pawl 171 out of engage shown in Fig. 26, and when set in subtract ment with the segment and permitting the ing position, they are in engagement with latter to return to its normal position, as the pinions 204 and out of engagement with 65 shown in Fig. 25. the gears 202, as shown in dotted lines in 30 g 1,258,810 wheels, are thereby locked, and accidental Fig. 26. The gears 200 are always rotated movement of the same by hub friction O in the same direction by the sectors 166, otherwise is impossible. Lock devices are and the pinions 204 act as intermediate provided to prevent accidental movement of gears to reverse the direction of rotation of gear trains inot interlocked by item wheels. 5 the total wheels 203. For purposes to be de See Figs. 7, 9 and 17. The lock pawls 213, scribed hereinafter, the four left hand gears except the first one to the right, have pro 200 are not mounted directly on the shaft jections 218 which coöperate with a like 201 but on a sleeve 536, and are shiftable number of lock sectors 219 tight on shaft there with to be set in neutral position where 220. A link 221 connects the lever 222, also 75 they will not be engaged by the connecting tight on the shaft 220, to the bevel gear sectors 166. Each gear train comprises a sector 134, which is moved step by step by numeral disk 223 to indicate the position of the escapement of the carriage as previously the total wheel. described. When the parts are in normal po Alining device. sition, as shown in Fig. , the lock Sector's 219 5. An alining device to alline the gear teeth are in ineffective position, i. e., to the front of the gear trains is provided so that gear's of and out of engagement with the projec 200 can readily be shifted from adding to tions 21S on the lock pawls, and these are subtracting position and vice-versa. A shaft free to disengage the total wheels when the 205 mounted in a rocking frame 206 nor connecting sectors 166 are engaged with the 85 20 mally engages the tooth spaces of pinions shift gears 200. When the carriage is 204. See Fig. 7. The shaft 207 of the rock escaped one unit, the lock pawls 213, except ing frame extends through the left side the first one to the right, are prevented from plate and a lever 208 is mounted on this ex disengaging the total wheels when their tension. See Fig. 3. A lever 209 is pivot rocking frame is oscillated, as shown in Fig. 90 ally mounted on the left side plate and a 9. This oscillation merely causes the rear pin 210 thereon normally engages the lever ends of the pawls to swing away from the 208 and holds the shaft 205 in engaged po disks 328. When the carriage is escaped an sition. A link 211 connects the lower arm of other unit, the lock surface of the first lock sector to the right, which coöperates with 95 30 Rever 209 with a lever 212 on the main shafé, the second lock pawl 213, is moved past the 112, Osciliated by the operating lever as pre projection 218 on the lock pawl, and the viously described. The parts are so ar two right hand lock pawls are free to be dis ranged that when the operating iever is ac engaged by the oscillation of their rocking tuated, the rocking frame is released and the frame. In the same progression as the car 00 35 alining shaft, disengaged from the tooth riage escapement is actuated and the car spaces, and at the end of the return stroke riage moved to bring additional item wheels. of the operating lever it is reëngaged. into “set position, the pawls, locking the Train, lock. corresponding total wheels, are successively To prevent accidental movement of the unlocked by the lock sectors passing the pro 05 4. gear trains, lock pawls 213 are provided to jections 218 on the respective lock pawls. engage the total wheels 203. See Fig. . These lock pawls are loosely mounted on a Printing mechanism. shaft 214 whose ends are supported by mem Type-sectors. O 45 bers 215 of a rocking frame. These side mem Links 226 connect the sectors 166 to the bers 215 are fixed on a shaft 216 mounted type sectors 227 mounted on shaft 228. in the side plates of the carrier section. The Each type-sector carries a steel type strip rear ends of the lock pawls 213 normally 229 having embossed type. See Figs. 7 and rest on the peripheries of cam disks forming 1S. The upper end of this strip is passed 15 part of the carrying mechanism. A link 217 through a slot in the bent over portion of connects the rocking frame for the lock the type-sector and its extremity is bent into pawls with the oscillating frame 168 in a loop which loosely encircles the type-sector which the connecting sectors 166 are mount hul). The middle portion of the strip is bent ed, so that when the oscillating frame is os down at right angles and curved to the form 5 5 cillated to connect the connecting sectors of a circular arc, concentric to the type with the item wheels and gears 200, the sector fulcrum. On this portion the em rocking frame for the lock pawls 213 is bossed type are arranged. The lower end rocked to disengage the lock pawls from again is bent into a loor which loosely en the total wheels, so these are free to receive circles a lug 230 on the type-sector. The 60 movement from the item wheels. two ends of the type strip are fastened by The lateral movement of the item wheel being inserted behind pins 231 which jam carriage determines the number of item them against the type sector hub and hub wheels that will be brought into operative 230, respectively. The two loops form connection with the gear trains, and such 130 65 gear trains as are connected with the item springs, so that the curved type portions can 1,258,310 move rearward under the impact of the ham 245 and hold it in position until printing has mers to a sufficient extent to print, after taken place. The alining pawls will be re which they will be brought back to normal leased from engagement. with the type sec position by the spring action of the loops. tors early in the return stroke of the oper A grooved bar 232 acts as a spacing bar ating lever. A stop pin 247 limits the move 70 for the type strips. The parts are so ar ment of lever 245. ranged that the movement of the connecting Hammers. sectors 166 through one tooth space moves the type-sectors to the extent of one figure The printing hammers 248 are loosely on the type strips. As previously described, mounted on shaft 249 and extend upward O the connecting sectors are connected and between the type strips. The printingham- 75 actuated during the initial or forward stroke mer heads are offset and thickened to cen of the operating lever and disengaged at the trally engage the type strips. Each hammer beginning of the return stroke. To return has a two part drive lever consisting of a the connecting sectors and type-sectors con driving arm 250 integral with the hammer 30 5 nected thereto to normal position the fol and a separate drive lever 251 loosely con lowing devices are provided: A flat bar 233 nected thereto and pivoted at its upper end is mounted in a rocking frame 234, whose on the hammer hub. This drive lever 251 side members are tight on shaft 228. The has a pin 252 which extends through a larger bar extends through concentric slots in the hole in the short arm 250 of the hammer, so 85 20 type sectors and normally holds the type that the hammer can have a slight move Sectors against the stop bar 235. A lever ment relative to the drive lever. A spring 236 is mounted on the right end of the shaft 253 is hooked on to the drive lever 251 and 228 which extends through the side plate, on to a spring shaft 254 common to all the 25 See Fig. 2. This lever is connected by a link hammer springs. A fixed stop shaft 255, 90 237 to the gear sector 238. A link 239 con with a flat contact surface, is provided for nects the sector 238 to the bell crank 240, the drive levers to bear against when in which is oscillated by means of a link 241, normal position. To set or cock the ham from the lever 242 fixed on shaft 212, actu mers the following devices are provided: ated by the operating lever as described be The shaft 249, on which the hammers are 95 80 fore. The rocking frame 234 and bar 233 loosely mounted carries a rocking frame 256. begin Swinging down to release the printing See Figs. 5, and 18. A series of drive sectors at the very beginning of the forward pawls 257 are mounted therein, and springs stroke of the actuating lever, thus allowing 258 normally hold the pawls against the stop the printing sectors to respond to the move shaft 259 with their shoulders in contact 00 ment of the respective connecting sectors with the ends of the drive levers 251, so 166, which cannot move until after the rock that when the rocking frame swings to the ing frame mechanism has thrown them into rear, all the hammers are swung back or gear with the item wheel. cocked thereby. To oscillate this frame, a lever 260 is mounted on the end of the shaft 05 40 Alining device for type-sectors. 249 which extends through the right side An alining device is provided to aline and plate. See Fig. 2. A shouldered screw 261 lock the type sectors in set position while in this lever normally engages the short printing takes place. Each type sector has horizontal portion of the L slot in the link 45 ten notches cut in the outer edge of its con 262 which is connected to the lever 242 on 10 centric body portion, and a series of pawls shaft 212 oscillated by the operating lever 243 Spaced on a shaft 244, each in alinement 101 as described before. The L slot in link With a stype sector, are arranged to engage 262 makes it possible to set the link in in the notches in the type sectors. See Figs. 7 effective position to actuate lever 261, and 50 and 18. The pawls 243 and their shaft 244 thereby to avoid cocking the hammers when 5 are worked out of one piece, and the left no printed record is desired. Means to lock end of the shaft extends through the left the link 262 in either position are provided side plate and has a lever 245 mounted as will be described hereinafter. thereon. See Fig. 3. The lever 209 which The aforesaid drive pawls 257 have down is oscillated by the actuation of the operat Ward extending projections 263 arranged to 120 55 ing lever as hereinbefore described, has a coöperate with projections 264 on the rear projection 246 with a concentric outline at arms of the trip levers 265 loosely mounted its upper end. Near the end of the initial on shaft 266. The forward arms of these or forward stroke of the operating lever this levers 265 normally rest on the cam plates projecting, portion 246 will strike the lever 26 mounted on the type sectors and are 125 130 245 and force the alining pawls 243 into held in this position by springs 268. See engagement with the type sectors. During Fig. 7. The parts are so arranged that the remainder of the forward stroke, the when the operating lever is actuated the concentric surface of the projection will cam 267 on each type sector which is moved 35 travel along the curved end surface of lever depresses the forward arm of its trip lever 130 SE 2,258,830 265 and raises the rear arm thereof to bring strips and carrying the same against the rib the projection thereon into the path of the bon and platen. Aguide rail 276 is mount projection on the drive pawi coöperating ed across the rear of the casing 277, and slid with the printing hammer for the sector so ingly mounted thereon is a frame 278 carry. moved. Near the end of the forward stroke ing a rotary platen 279. See Figs. 19 and of the operating lever the drive pawl will 20. The platen is fitted with guiding means 70 strike the projection on the trip lever. This for the paper such as is ordinarily provided oscillates the pawl and disengages it from in typewriters, and may be turned by hand the drive lever of the hammer, which lever. to feed the same. On the right side of the 0 will, under the impulse of its spring, move platen a ratchet wheel 280 is fixed. This quickly to normal position against the stop ratchet forms part of automatic means to 75 bar 255. The hammer, by reason of its rotate the platen for line spacing, and is in movement relative to the drive lever, will termittently advanced by a pawl 281 carried continue its travel until the head has car by an oscillating arm 282. The pawl is kept 5 ried the type strip against the printing rib in engagement with the ratchet by a spring bon and platen to print the figure set in 283, and another spring 284 retracts the OS 80 front of the hammer by the movement of cillating arm. In order to oscillate the arm the type sector. in any lateral position the frame may be moved to, the following devices are pro 20 Transferring device for aero printing. . vided. The shaft 285 upon which the oscil When the type sectors are in normal posi lating arm 282 is mounted is journaled in 85 tion, the zeros on the type strips are in line the frame 278. A plate 286 is inserted with the hammers, but as the cams 267 and lengthwise in one side of this shaft and ex trip levers 265 are in normal position, the tends nearly the entire width of the frame. 25 hammers will not be tripped, and the zeros A lever 287 is pivotally mounted on the will not be printed. To print zeros to the side plate of the upper section of the ma 90 right of a significant figure the following chine frame, and its free end extends devices are provided. The forward arms of through the casing and bears against the trip levers 265 have short wide slots to re plate 286. A link 288 connects this lever to 30 ceive pawls 269 pivotally mounted on levers the lever 260 which is actuated whenever . 270 mounted on shaft 271. See Figs. 7, 18 the hammers are cocked, as previously de 95 and 37. All of these levers 270 except the scribed. See Figs. 2 and 16. The parts are so fourth one from the left side are tight on arranged that when the operating lever is shaft 271. The aforesaid fourth one is actuated and the hammer lever is oscillated, 35 loose and has an arm 272 which is arranged the lever 287 will release the plate 286, and to be actuated by a cam 273 on shaft 274. the spring 284 connected to the oscillating 00 See Fig. 36. The purpose of this special arm will cause the arm to oscillate and move lever will be explained hereinafter in con the feed pawl back one tooth, at which junction with the printing of two columns point the oscillating arm will strike the stop 40 of figures. The contact surfaces of the 289. During the return stroke of the op pawls 269 are curved so as to be free to erating lever, the lever 287 will return the 105 oscillate in the slots of the trip levers. Each plate and oscillating arm to normal position pawl has a pin 275 through its end which and thereby cause the pawl 281 to move the projects on both sides, and the projecting platen forward one tooth. 45 ends of which are halved. On the left side, the upper half of the pin is cut away and Printing ribbon. 10 on the right side the lower half of the pin A two colored printing ribbon 290 is car is cut away. See Fig. 37. The pins are of ried on two spools 291 mounted on brackets such length that the right extension of one 292 fastened to the two sides of the casing overlaps the left extension of the adjacent near its top at the rear. The spools are so one, thereby establishing a connection be placed that the ribbon must cross the print 15 tween all the pawls and all the trip levers, ing points of all the type strips. A feed so that if a trip lever is oscillated, which mechanism is provided to roll the ribbon happens when the type sector corresponding off the right hand spool onto the left hand 55 thereto is set to print a figure above zero, spool. The left end of the hammer support all trip levers to the right thereof will like ing shaft 249 extends through the side plate 120 wise be oscillated, whether or not the re and has a threaded hole in its end. See spective type sectors are set, and this will Figs. 3 and 20. An extension shaft 293 is cause their respective hammers to be tripped arranged to be screwed into the shaft. 249 60 and print. after the casing is set in position. A lever 294 is loosely mounted on this extension 25 Printing platen, and paper-feed. shaft and carries a feed pawl 295. A spring As previously stated, printing is accom 296 connects the rear end of the feed pawl plished by the hammer striking the type to an arm on lever 294 and holds the pawl i258,310 LB tion will raise the set pawl and set the carry in engagement with ratchet teeth 297 cut ing lever in position to be actuated to carry into the lower plate of the ribbon spool. A the next total wheel to the left one E. drive disk 298 is fixed on the end of the space. Fig. 23 shows a carrying train set shaft extension 293 and has a wide notch in position to carry the adjacent train in 70 in its periphery in which engages a pin 299. adding direction. on the lever 294. The parts are so arranged The total wheel which sets this train, has that the operating lever on its forward revolved one tooth space in the adding di stroke oscillates the drive disk and sets the rection from the position shown in Fig. 22, feed pawl a tooth forward, and on the re and stopped at zero. The set disk fixed to 75 10 turn stroke, resets the parts to their normal this total wheel has moved the set pawl up positions and thereby causes feeding move Wardly setting the carrying lever in carry ment of the spool and ribbon. As the drive ing position for adding, by the engagement disk has more movement than is required for of the projection on the set disk with the the movement of the lever 294, its move point of the set pawl, the rear projection on 80 15 ment is arranged to be partly idle by ad the Set pawl riding on the top of the rod justing the width of the notch therein ac 308. The upper extension of the carrying cordingly. To rewind the ribbon, the feed lever bottoms on the depressed portion of pawl is disengaged by depressing its front the actuating cam 305 ready to be actuated extension, and the right hand spool is manu thereby when the actuating shaft 327 is ro 85 20 ally revolved by the finger piece 300 loosely tated. In Fig. 24 the total wheel which sets mounted on the spool. w the train for addition remains in the zero Carrying mechanism. position. The carrying lever is in half way The total wheels 203 are 20 toothed gears actuated position, the upper extension and are mounted for rotation in either di thereof and the carrying pawl 311 pivoted 90 25 rection on the shaft 15, as previously de thereto being moved halfway to normal posi scribed. To carry a unit from one total tion by the rotation of the actuating cam wheel to the total wheel of the next higher 305. It will be understood that the rotation order, as must be done in addition and sub of the total wheel in subtracting direction traction respectively, the following mecha will set the carrying train in position to 95 SO nism is provided: On the left side of each carry in subtracting direction, i.e., move the total wheel except the one at the extreme set pawl and carrying lever in a direction left of the machine a set disk 301 having opposite to the one shown in Fig. 23, and two projections is mounted; and to the left the lower arm of the carrying lever will then side of this, a set lock disk 302 having two bottom on the depressed portion of actuat 100 35 V-shaped notches, is mounted. See Figs. ing cam 306, whereby the lever will be os 7, 17, 22, 23, 24 and 30. The set disk and cillated to throw the total wheel one space in lock disk are both secured to the total wheel the direction to subtract when the actuating shaft 327 is rotated. to turn therewith. To the rear of each of 105 30 the total wheels, and attached disks, a cam To avoid the carrying lever 303 being ac actuated carrying lever 303 is mounted on cidentally set to carrying position, and to a shaft 304. The lower part of this lever is make sure that it remains in set position cut down on the right side to half thickness when set, and furthermore, to make sure that and a part of the upper arm of this lever Is: a train to be carried is carried, a number of cut down on the left side to half thickness, locking devices are provided. 10 45 so that these two parts are offset relatively The upper part of the carrying lever 303 to each other. Two actuating cams 305 and has three V-shaped notches, and the set lock 306, are mounted adjacent to each other on pawl 309, which is pivotally mounted on the the actuating shaft 327 and the cam 306 is set lock lever 310, normally engages the cen 115 50 in line with the lower part of the carrying tral notch with the V-shaped end of its rear lever 303 and cam 305 is in line with the arm.periphery The offront its armcorresponding of the pawl set rides lock on disk the upper part of the lever 303. On the right 302. The projections on the set disk 301 side of the carrying lever 303 a set pawl 307 and the notches on the set lock disk 302 are is mounted in line with the set disk 301 on so positioned that when a projection on the 120 55 the total wheel. A projection at the end of set disk engages the set pawl 307, a notch this pawl 307 normally rides on the periph in the set lock disk, presents itself to the V ery of the set disk, and a projection on the shaped point of the front arm of set lock opposite side of the pawl normally rests pawl 309. As the set disk moves the carry with its point on the guide shaft 308, which ing lever 303 by means of the set pawl 307, 25 60 is rotatably mounted in the side plates. The the front arm of set lock pawl 309 slips into purpose of this shaft is to constrain the the notch in the set lock disk, and the rear movement of the set pawl. Figs. 7 and 22 arm thereof is raised out of the V notch in show all parts in normal position. Refer the carrying lever. When the setting opera ring to Fig. 22, the rotation of the total tion has progressed half way, the front arm 65 wheel 203 one tooth space in adding direc is.& 3.268,350 of the set lock pawl 309 will bottom in the total wheels. In order to impart carrying notch in the set lock disk 302, and the rear movement to a total wheel, its lock pawl 2:3 arm will be entirely clear of the notch in the must be disengaged. A lock pawl releasing carrying lever 303. The continuation of the disk or cam 328 having a W-shaped notch, is setting operation will force the front arm mounted on actuating shaft 327, and the rear 70 of the set lock pawl 309 out of the notch in arm of each lock pawl 213 ordinarily rides the set lock disk and cause the rear arm to on the periphery of this disk. The notch in engage the adjacent V notch in the carrying this disk is so positioned that when the lever 303. The notch so engaged depends carrying pawl 311 engages the total wheel SB on the direction in which the cam lever has for the purpose of carrying it, the notch been moved, being the front notch for add presents itself to the corresponding lock ing and the rear notch for subtracting car pawl 213 and releases the total wheel, and aying movement. The total wheel, with its again relocks it when carrying has taken set disk and set lock disk, may now continue place. For each total wheel, except the 35 its travel; the periphery of the set lock disk first or right hand one, there is a set lock 80 302 locking the carrying lever 303 in the posi releasing cam 312, two actuating cams 305 tion at which it has been set. The carrying and 306 and a lock pawl releasing cam 328. lever 303 carries the carrying pawl 311, See Fig. 29. These four cams form a set which engages and carries the adjacent total and there are 8 sets in the present machine. 3. wheel when the carrying lever is reset to The set lock releasing cams 312 and lock 85 normal position by the actuating cam 305 pawl releasing cams 328 are identical in the or 306. In order to reset the carrying lever, several sets. The actuating cams, 305 and it must be released from its locking means, 306, have a different outline in each set, the i.e., the set lock pawl 309. The rear arm of bottom dwell being longer for each set in 25 set lock lever 310, on the front end of which progression from right to left. Fig. 29 90 the pawl 309 is mounted, rides on the pe shows the outlines of the cams in the right riphery of a set lock releasing cam 312, hand set. The outlines of the cams in the mounted on the actuating shaft 327. This successive sets to the left of the right hand set lock releasing cam has a W-shaped notch set are shown in dotted lines in Fig. 29. 30 and the parts are so positioned that when These sets are staggered or angularly dis 95 the carrying lever is actuated by the rotation placed with respect to each other on shaft of the actuating cams 305 and 306, the notch 307 so that they actuate in succession, one on the set lock releasing cam 312 presents revolution of shaft 307 completing the cycle itself to the rear arm of set lock lever 310. of operations of all eight. As the first total 35 When the resetting of the carrying lever wheel to the right is not subject to carrying 100 303 has progressed half way, the rear arm of movement, its lock pawl does not require a set lock lever 310 will bottom in the notch releasing cam and therefore a plain disk 329 on the set lock releasing cam 312, and the is used in lieu of it. See Fig. 7. - set lock pawl 309 will clear the notches in The shaft 327 extends through the right 40 the carrying lever 303 entirely, as shown in side plate and a disk 315 carrying a pawl 105 Fig. 24. The continuation of the resetting 316 is mounted thereon. A spring 317 holds or carrying operation, will relock the carry this pawl in engagement with a drive disk ing lever 303 in normal position by the rear or single tooth ratchet 318 mounted on a arm of set lock lever 310 being forced out of pinion 319. See Figs. 2, 25 and 34. This AS the notch in the set lock releasing cam 312. pinion and drive disk are loose on shaft 327 110 An engaging pawl 313 is arranged to be and the pinion is in mesh with the large actuated by the actuation of the actuating gear. 238. The parts are so arranged that - cam 305 which coöperates with the upper when the gear 238 is oscillated by the oper part of the carrying lever 803, and a pin ating lever as hereinbefore described, the 50 314 in this engaging pawl engages the lower pinion 319 and drive disk 318 will rotate 5 edge of the rear extension of the carrying one revolution, first in one direction and pawl 311. The parts are so arranged that then back. During the return rotation, the when the actuating shaft 327 is rotated, the pawl 316 engages the drive disk and the engaging pawl 313 is forced out, thereby pawl disk 315 is caused to rotate with the 55 forcing the front arm of the carrying pawl drive disk, thereby revolving the actuating 120 311 into engagement with the corresponding shaft 327. To prevent over rotation of the total wheel and holding it there during the shaft a disk 320 having a projection 321 resetting or carrying movement of the car is mounted on its left end, outside of the rying lever 303. f left side plate. A pawl 322 is pivotally The rotation of the actuating shaft 327 mounted on the side plate and a spring 323 125 takes place during the return stroke of the holds the upper arm of the pawl in engage operating lever, and during this period the ment with the disk 320. A slotted link 324 connecting sectors 166 are out of engage connects the pawl 322 with the lever 209 ment with the pinions 200, and the lock oscillated by the operating lever as previ 65 pawls 213 are held in engagement with the ously described. A retaining pawl 325 with 180 1,258,810 LD. a spring 326 is provided to prevent back are in adding position, and in the direction rotation of shaft 327. The parts are so ar opposite to that of the item wheels when the ranged that at the end of the initial stroke parts are in subtracting position. of the operating lever, the pawl 322 is dis Subtracting character printing mechanism. 70 engaged from the projection 321 on disk A subtracting character type is provided 320 to permit the rotation of the shaft dur and is arranged to be set by the operation ing the return stroke of the operating lever. of the Subtracting key to print a minus sign The slot in the link allows the latter to or other character beside each item sub drop the pawl to reengage the disk as soon tracted. See Figs. 5, 6, 7 and 25. 75 0. as the projection has traveled from under it, On the first or right hand hammer 248 a in good time to prevent over rotation of lug. 869 is mounted, and in the same plane the shaft. with it is the character hammer, 371 piv Adding and subtracting mechanism. oted on lever 372 mounted on shaft 373. . . This hammer carries the minus sign type 80 5 To shift the pinions 200 from adding to on its striking face and is held against the subtracting position and vice-versa the fol stop pin 374 by spring 375. The shaft 373. lowing devices are provided. The adding extends through the side plate and a lever key 351 and the subtracting key 352 are 376 mounted on the extending portion is mounted on a three armed lever 353 pivot connected to the small lever 377 on shaft 85 20 ally mounted on the key-board side plate. 359 by the link 378. The shaft 359 is oscil See Figs. 2 and 25. A pin 354 on the down lated by the adding and subtracting key as ward arm of this lever, engages a slot in the hereinbefore described, and the oscillation of upper arm of a lever 355 pivotally mounted. same by the subtracting key will raise the on the side plate. A notched spring latch 90 pawl 356 is pivoted on the side plate to en hammer. 371 into the path of the lug 369. In 25 gage and latch the lever 355 in either of the this position, the actuation of the hammer two positions in which it can be set. A link which prints the first unit of the item will 357 connects the lower arm of lever 355 to a carry the character hammer forward to print lever 358 on a shaft 359 journaled in brack a minus sign adjacent to the item. 95 30 ets 190 and 11. See Figs. 2, 17 and 25. A Total printing mechanism. link 361 connects a lever 362 on shaft 359 to a bell crank 363 mounted on a stud 364 latedAs totalhereinbefore is at all timesdescribed, visually the displayedaccumu on the side plate of the upper frame section. on the numeral disks, 223. In order to print A short link 365 connects the bell crank to the total the total wheels are rotated in re 100 s 35 the shaft 201 on which the pinions 200 are verse direction to zero position and the . mounted. Two stop collars 366 are mounted movement of each is transferred into the on the pinion shaft 201, one outside and one type sectors. The rotation of the total inside of the side plate, to stop the move Wheels to zero position is effected by the ment of the pinion shaft in either direction clearing mechanism, hereinafter described. 05 40 by contact with the side plate. The notched Before clearing the total wheels the gear spring lock pawl 356 takes up all lost mo trains are set in Subtracting position by tion in the connections and causes the stop depressing the total key, as hereinafter de collars to bear tight against the side plate. scribed, so that upon the actuation of the With the parts in adding position as operating lever, the connecting gear sectors 0. 45 shown in Figs. 17 and 22, the shaft 201 is 166 will be thrown into mesh with the gears shifted to the right so that the left hand stop 200, and will be in operative connection with collar 366 bears against the inside face of the total wheels through the reversing pin the side frame, and the gears 200 mesh with ions 204 and gears 202. Now the rotation of the right hand edges of the gears 202 which the total wheels to zero by the clearing mech 115 50 rotate the total wheels, thus causing the anism will transfer the angular movement of total wheels and gears 200 to rotate in the each total wheel through the gear trains and same direction. See Fig. 26. With the parts connecting sectors to set the printing sec in subtracting position the shaft 201 is shift tors, and printing will take place in the same ed to the left so that the right hand stop way as for printing an item entered from 120 55 collar 366 bears against the outside face of the item wheels. As the item wheel carriage the side frame, and the gears 200 pass out is in its retracted position, none of the item of mesh with the gears 202 and into mesh wheels are engaged by the connecting gear with the gears 204 as shown in dotted lines sectors during the operation of transferring . in Fig. 26, thus reversing the direction of the total into the printing sectors. 25 60 rotation of the gears 200 and total wheels with respect to each other. As the gears 200 Total wheel clearing mechanism. are rotated in the same direction as the item wheels by the connecting gear sectors 166, To rotate the total wheels in reverse direc the total wheels will be rotated in the same tion to zero position, thus clearing the total 65 direction as the item wheels when the parts wheels of the accumulated total, the follow- 130 res . 8,258,830 ing devices are provided. A series of clear mounted on a stud 393 on the side plate is in 35 ing pinions 381 are mounted tight on the mesh with pinion 391. A ten tooth pinion clearing pinion actuating shaft 382 and in 394 is fastened to the eleven tooth pinion 392 position to engage the ten toothed pinions and is in engagement with the large gear 204. See Figs. and 22. The clearing pin sector 238. See Fig. 33. The gear sector is ions are cut as ten toothed pinions, but have rotated slightly more than ten teeth and the 70 one tooth removed. See Figs. 27 and 28. drive disk.38 is therefore rotated two or The space resulting from the removal of three tooth spaces more than one revolution. the one tooth is normally so positioned that The rotation of the drive disk over and 10 the reversing pinions 204 can be rotated above one revolution is idle travel and is ar without interfering with the clearing pin ranged at the beginning of the forward 75 ions 381. The ten toothed reversing pinions stroke of the operating lever to give the con 204 have one tooth cut away on its side to necting sectors 166 time to engage the gears. such an extent that when the pinions are in 200 before the same are rotated by the re normal or zero position they will not be en versing pinions 204. In order to avoid gaged or rotated by the rotation of the clear shocks to the various parts by abrupt stop 80 ing pinions 381 but if any other tooth on the page of movement, the clearing pinions are reversing pinions 204 is in the position nor arranged to drive the gear trains, etc., with mally occupied by the mutilated tooth, the gradually diminishing velocity. To accom 20 rotation of the clearing pinions will engage plish this, the connections from the operat and rotate the reversing pinions 204 until ing lever to the gear sector are such as to im- 8 the mutilated tooth is moved to normal po part rotative movement of gradually dimin sition, that is, with its middle on a line from ishing velocity to the gear sector. The piv center to center of the two sets of pinions. otal connection of the link 239 and the gear 25 As the reversing pinions 204 have ten teeth sector 238 is moved until it gradually arrives and the total wheels twenty teeth, the nor at the dead center; that is, until it assumes 90 mal or zero position of the reversing pin a position central with a line from the full ions corresponds with either of the two zero crum of bell crank 240 to the pivotai connec positions of the total wheels, tion of the bell crank and the short link 239. 30 To stop the total wheels in zero position To avoid over rotation of the clearing pin at the end of the clearing operation the fol ion actuating shaft 382, the following de 95 lowing means are provided: A shaft 383 is vices are provided. See Fig. 3. The shaft journaled in the side plates of the totalizer extends through the left side plate and a frame and a series of projections 384 thereon disk 395 having a projection 396, is mounted 35 are arranged to coöperate with the set pro thereon. A pawl 397 mounted on the left side jections on the set disk 301 fixed on the total plate is held in engagement with the disk by 10 wheels. See Figs. 7, 22, 23 and 24. When a spring 398 to prevent back rotation of the ever the machine is set to be cleared, as will disk. awl 399, mounted on the side plates be described hereinafter, the shaft 383 is is Forrify held out egg; with the , 40 slightly rotated to bring the projections 384 disk 395 by a pin 400 on lever 209. The into the path of the projections on the set clearing pinion actuating shaft is rotated 10 disks, which are rotated in subtracting direc during the initial or forward stroke of the tion with the total wheels, and thereby to operating lever, during which stroke the stop them and the total wheels in the first lever 209 is oscillated away from the pawl 45 Zero position which is reached. 399. The pawl has a short dwell against One revolution of the clearing pinions 381. which the pin 400 rides during the begin l will rotate the total wheels to normal or zero ning of the stroke of the actuating lever, position irrespective of the figures at which and will be released by the pin after the pro they may be set, and this rotation is impart jection 396 has passed the shoulder on its 50 ed to the pinion shaft 382 in the following other end. The spring 401 will move the late RE shaft extends through the pawl into engagement with the disk in suf 5 right side plate and a disk 385 is mounted ficient time to stop the disk after one revolu tight thereon. See Figs. 2, 25 and 33. A tion by engaging the projection thereon. pawl 386 is pivotally mounted on the disk Near the end of the return stroke of the op 55 and is arranged to coöperate with a single erating lever, the pin on lever 209 will en toothed drive disk 387 loosely mounted on gage a cam surface on the rear arm of the 20 shaft 382. A lever 388 normally engages pawl and again disengage it from the disk. the rear arm of the pawl 386 and holds it against the tension of the pawl spring 389, Total key. 60 out of engagement with the drive disk 387 A total key is provided to set the machine and in engagement with a lock pin 390 in position to print the total and to clear the 125 mounted in the side plate. A nine tooth machine simultaneously by the actuation of pinion 391 is fastened to the drive disk 387 the operating lever. The several operative and an eleven tooth pinion 392 rotatably functions of the total key are, to set the ma 1,258,810 7 will be moved to normal position by its 65 chine to subtracting position, to set the spring 421. mechanism that clears the machine in ef. Means are provided to set the machine in fective position, to set the drive mechanism subtracting position when the total key is for the carrier in ineffective position, to depressed and to reset it to adding position 5 shift the printing ribbon to print red, to set thereafter. If the machine is in subtracting 70 the zero stop shaft of the total wheels in po position when the total key is depressed, it sition, and to lock the carriage, the adding remains in this position thereafter. key and the eliminating device against op A three armed pawl 422 mounted on the eration - total key is adapted to engage with a notch 0. The lower end of the total key 402 is con and projection on the subtracting key 352, 75 nected to the bell crank 403 and the upper and is normally held out of engagement part of the stem is guided by a slot in the therewith by the stop pin 423 on the side key-board plate. See Figs. 2 and 25. A plate bearing on the front arm of the pawl link 404 connects the bell crank to a lever against the tension of the pawl spring 424. 15 405 on shaft 406 journaled in brackets 11 and When the total key is depressed, the pawl 80. 190. See Fig. 17. A lever 407 tight on 422 will enter the notch, engage the projec shaft 406 is connected to lever 388, control tion and carry the subtracting key down. ling the drive for the clearing mechanism, The lower arm of the pawl is wedge shaped by a link 408, and a link 409 connects leve and coöperates with the wedge shaped pin 20 388 to one arm of pawl 410 mounted on th 85 side plate. The pawl 410 is arranged to 425 on the side plate. The point of the pawl move the drive pawl 316 out of engagement will pass to in front of the edge of the pin with the drive disk 318 and into engage and hold the pawl in engagement with the ment with a lock pin 41i, thereby setting the subtracting key, so that when the total key 25 drive mechanism for the carrier in ineffec returns to normal position, the pawi will tive position and locking the shaft 327 carry the subtracting key to normal position. 90 against rotation. To retain the total key in If the subtracting key is in set position when depressed position when depressed and to bearthe total against key theis depressed, edge of the the subtracting pawl 422 willkey . release it when the operating lever has been on its downward travel and the point of the 80 actuated, the following devicesO are provided. Two retaining pawis 412 and 413 are pawl will pass behind the edge of the pin 95. mounted on the keyboard side plate and are and will thereby be prevented from engag arranged to engage suitable notches in the ing the notch in the subtracting key. The total key to retain it in depressed position. totalposition key withoutwill thereafter affecting return the subtractingto normal 85 A spring 414 connects the two levers, and 100 tends to hold them in engagement with the key.Means actuated by the error key are pro- notches in the total key. Normally the parts vided for releasing the total key if the latter are as shown in Fig. 25, and when the total has been depressed by mistake. A lever 569 key is depressed the pawl 412 will engage on the shaft 183, oscillated by the actuation 40 the notch in the total key, but the pawl 413 of the error key as hereinbefore described 05 is held out of engagement by the projection carries one end of a link 568. The other end 415 on link 416 engaging the pin 417 in pawl of the link is slotted and loosely secured to 413. The link 416 connects the lever 418 the total key locking pawl 412 by a screw 572 mounted on the side plate and the lever 419 passing through the slot. The slot is of 45 mounted on the shaft 152, which is oscillated sufficient length to allow the pawl to engage 0. whenever the operating lever is actuated as the total key to hold it in depressed position hereinbefore described. When the operating when the error key is in normal position, but lever is actuated, the link 416 will release the depression of the error key swings the the pawl 413, which will move into engage lever 569 and moves the link 568 away from 50 ment with the notch in the total key, and at 15 the end of the initial stroke of the oper the pawl a distance greater than the length ating lever, a pin 420 in the link 416 will of the slot, thereby holding the pawl away have engaged and moved the pawl 412 out from the notch in the total kev. of engagement with the total key. When Ribbon shift. 55 the pawl 412 is disengaged, the total key has 20 a slight upward movement until stopped by A lever 426 is mounted on the shaft 406 pawl 413. This prevents the pawl 412 from journaled in the brackets 11 and 190 and reéngaging the total key when the link oscillated by the total key as hereinbefore moves to normal position during the return described. See Figs. 3 and 25. A shaft 427 stroke of the operating lever. At the termi is mounted in the side plates of the upper 125 60 nation of the return stroke of the operating section and extends through on both sides. lever, the pawl 413 is disengaged from the Two levers 428 and 429 are mounted on the total key by the projection 415 on link 416, right end of the shaft 427 and a lever 480 is as previously described, and the total key mounted on the left end of the shaft. A link 3.3 2258,330 43i connects lever 428 with lever 426 and operating lever, thereby maintaining the de oscillates the shaft when the total key is de sired operative connection between the type pressed. The links 432 have their lower ends sectors and the total wheels during the re connected to levers 429 and 430 and the turn stroke of the lever. When the subtotal upper ends are slidingly mounted on the key is released the spring 449 returns it to 70 side plates. Guide plates 433 are mounted normal position with the stoppin 450 against on the bent over portion of the upper ends the key-board plate. Means for retaining of the links. See Fig. 5. The ribbon is the total and subtotal keys in depressed po passed through the slots in the guide plates sition during the forward and return move 0 and the depression of the total key will raise ment of the actuating lever is provided, as the ribbon to bring the iower haif of same, hereinafter described. printingwhich is position.inked with a different color, in I4 ultiplying and dividing mechanism. 2e"o stop. The machine is provided with devices 5 adapting it to repeatedly add or subtract an 80 The zero stop shaft 383 has a small lever item without resetting the item wheels by 434 mounted on its right end, and a pin 435. the keys, and thereby to perform multipli thereon engages a slot in the lever 436 pivot cation by repeated addition and division by ally mounted on the right side plate. A pin repeated subtraction. Further, a register is 20 437 on the link 409 engages a slot, in the provided to show the number of times an 85 rear arm of lever 436. By these connections item has been repeated, i.e. the multiplier in the zero stop shaft is oscillated and the stops. multiplication, and the quotient in division. set to arrest the total wheels in zero position The repeat key 451 on the left side of the whenever the total key is set. key-board is guided by a slot in the key 25 board plate and held in normal position with 90 Subtotal printing mechanism. the stop pin 452 against the keyboard by A subtotal is printed by reversing the the spring 453. See Fig. 16. To hold the total wheels to zero position and transfer key in depressed position there is provided. ring the movement into the type sectors as the three armed pawl 509, pivotally mounted in printing a total, and then resetting the on the left side plate of the keyboard sec 95 type sectors to normal position and retrans tion. After the stop pin 510 on the repeat. ferring this movement into the total wheels. key has passed below the latch on the upper As the resetting of the type sectors occurs arm of this pawl, the pin 511 on the repeat during the return stroke of the operating key strikes one arm of the pawi and sets the lever, operative connection must be main latch to catch the stop pin and hold the key 100 tained between the type sectors and the total in depressed position. To release the repeat wheels during the return stroke of the oper key it is necessary to depress the error key, ating lever, in order to transfer movement whereupon a pin 512 carried by the error from the former to the latter. key, engages the third arm of the pawl and 40 The subtotal key 441 is mounted on the unlatches it, thus allowing the spring 453 '05 left side of the key-board and its lower end to return the repeat key to normal position. is connected to a lever 442 on shaft 443. See The lower end of the repeat key connects to Figs. 3 and 16. This shaft extends through the bell crank 454 and the link 455 con the right side of the key-board and a lever. nects the bell crank to the lever 456 on shaft 45 444 thereon is connected to a link 445, the 457. A plate 458, secured lengthwise in a 10 rear end of which is connected to a lever 446 . slot in the shaft 457, engages the tooth spaces on shaft 447 mounted in the brackets 11 and in the side plates of the small rocking frame 190. A lever 448 is tight on shaft 447 and 46 journaled in the carriage. A plate 45 se its upper end engages the head of the screw cured in a lengthwise slot in the shaft of 50 which fastens the pawl 171 on lever 170. A this rocking frame, sets the lock pawls, 43 15 pin 515 on the lever 448 engages the lower as previously described, to thereby retain a arm of pawl 171 and moves it backward set up item in the item wheels whatsoever the when the lever 448 is raised, thereby carry lateral position of the carriage. ing the pin 174 forward. The parts are so The repeat key also sets the carriage re 55 arranged, that when the subtotal key is de tracting means in ineffective position so pressed, the pawl 171 is raised to its upper that the carriage, with the set up item, re position and the pin 174 is moved onto the mains in its lateral position; subject, how top of the wedge pin 175, and held there dur ever, to lateral movement by the zero and ing the return stroke of the operating lever; back spacing keys for multiplication and di 60 thus the connecting sectors 166 are kept in vision, respectively. A cam 459 mounted on 125 engagement with gears 200 during the return the shaft 457 is arranged to engage the lever stroke of the operating lever. To print the 144 and hold it in such position that the subtotal, both the total key and the sub pin 145 on this lever raises the retracting total key are depressed and held down dur pawl 13t to ineffective position and holds it 65 ing the forward and return stroke of the there. See Fig. 9. A slot in the end of the 1,258,810 Ls) the register wheels are mounted, and pro link 143 permits the lever 144 to be set by jections 482 on this plate extend beyond the cam 459 without interferring with the op circumference of the shaft in such positions eration of the carriage escapement. as to be adapted to coöperate with the tongues 469 on the ratchet wheels. See 70 The register. Figs. 17 and 32. Normally the tongues A series of register wheels 460 are loosely and projections are in the positions as mounted on the shaft 461 journaled in the shown in Fig. 32, and the pawl can move . plates 462 and 463, held together by tie-rods a ratchet wheel nine teeth before its tongue 464, 465 and 466, forming the framework of approaches the plate projections from the 75 10 the register. See Figs. 2, 16, 17, 31 and 32. other side. Nine repetitions of one item are Each disk consists of a ratchet wheel 467 all that it is necessary to provide counting and a numeral ring 468 secured to the mechanism for in this machine, as it is ratchet wheel. The ratchet wheel has a simpler to multiply an item if it is to be re flange on which the numeral ring is mounted peated more than nine times. 80 15 and this flange is partly cut away through To reset the register wheels, the shaft. 461 out the greater extent of its periphery, leav is first rotated manually to the left until all ing a tongue 469 which has the twofold pur the register wheels are in normal position, pose of spacing the wheels and of being the that is, show zeros through the opening in engaging means for the resetting device. 85 An actuating pawl 470 is slidingly mounted the casing, and then it is rotated back to the 20 on the shaft 471 of a rocking frame formed position shown in Fig. 32. A knurled knob by the side plates. 472 fixed on a shaft 473. 483, having a hollow stem arranged to fit mounted in the register side plates. The over the extension of the shaft 461, is pro hub of the pawl has a groove and the bifur vided for rotating the resetting shaft. The 90. cated lever 474 mounted on the right carriage stem has a pin 484 to engage the slot on the 25 side plate engages the groove in the pawl end of the shaft to insure a positive driving hub. Normally the pawl is to the right of connection. This manual means is the only the first ratchet wheel, but when the car resetting means provided for the register. riage is escaped one unit the pawl is moved Back spacing key. 95 30 by the lever 474 into position to coöperate. A back spacing key 485 is provided to with the first ratchet wheel, and in the same back-space the carriage step by step as is way when the carriage is escaped two units necessary in division. See Figs. 4 and 7. the pawl is moved laterally into line with The key is slidingly mounted in the key the second ratchet wheel, and so on. A lever board plate and the bracket 486 and is held 100 35 475 is tight on shaft 473 of the rocking in normal position by the spring 487. The frame, and the link 476 connects it to the lower end of the key rests on the lever 488 lever 110 on shaft 112 which is oscillated by mounted on shaft 489 journaled in two small the operating lever. A link 477 is connect brackets 490 and 491. Mounted on the rear ed to the link 476 and to the lever 478 on end of this shaft is a small section of a bevel 105. 40 the shaft 457 which is oscillated by the re gear 492 which engages notches in a plate peat key. The front end of link 476 has an 493 pivotally mounted on a bracket 494. See L-shaped slot in which engages the pin 479 Figs. 10 to 13 and 17. On thus plate the on lever 475. Normally the parts are as back-spacing pawl 495 is mounted, and is shown in Fig. 16, i. e., the link 476 is in held in normal position by its spring 496, O 45. ineffective position to actuate the lever 475; A spring 497 holds the bevel gear sector 492. but when the repeat key is set, the link 476 and the parts connected thereto in normal is moved down so that the pin 479 rests in position. The parts are so arranged that the vertical part of the L-slot and the when the back-spacing key is operated, the link is then in effective position to actuate pawl 495, which is normally out of engage 115 50 the lever. The rear extension of the feed ment with the escapement bar 78 on the car pawl 470 has a curved cam slot through riage, will engage the bar and move the car which the tie-rod 466 extends, and the cam riage one unit toward normal position, and slot is so shaped that when the pawl is then reassume normal position upon the re moved forward, it will, at the end of the turn of the back spacing key. In order to 120 55 forward travel, be forced into engagement open the escapement jaws so the carriage with a ratchet wheel and at the end of its can be back-spaced, and to relock them after rearward travel be forced out of engage the carriage has been moved the following ment therewith See Fig. 32. During the devices are provided. A small cam lug 498 is rearward travel of the pawl, the particular' provided on an extension of the back spac 25 60 ratchet wheel engaged - is advanced one ing key and coöperates with a pin 499 on tooth. Retaining springs 480, inserted into the lever 500 mounted on bracket 486. See the tie rod 464, are provided to prevent over Fig. 7. The rearward extending arm of . rotation as well as reverse or accidental this lever engages the small lever 501 tight movement of the ratchet wheels. A plate 130 65 481 is inserted into the shaft 46 on which on shaft 74 which carries the means for ao 1258,810 opening the escapement jaws as previously the three left hand type sectors and the right described. The parts are so arranged that column the five right hand type sectors. The when the back spacing key is depressed the sixth type sector from the right is not used, lug will throw the lever 500 backward and so as to provide a blank space between the oscillate the shaft 74, thereby permitting the columns. The nine figures single column escapement jaws to open, and simultaneously capacity of the machine is therefore split 70 therewith will back space, the carriage. into two columns, of three and five, figures When the back-spacing key has reached its respectively. lowermost position, the termination of the The knurled knob 526 on the left side of 0 cam lug permits the spring 76 to oscillate the machine has a hollow stem 527 which fits the shaft 74 and lever 500 back to normal over the shaft 274, and the pin 529 in the 75 position and to relock the escapement jaws. stem engages the slot in the end of the shaft On the upstroke of the back spacing key, and constitates, the driving means. See the cam lug will momentarily oscillate lever Figs. 3 and 42: The flanged hub 530 mount 15 500 forward against the tension of spring ed on shaft 528 has a portion of the flange 502 and thereby again set the pin therein in removed, and a stop pin 531 in the side 80 proper engaging position with the cam lug. frame is arranged to limit the movement of the shaft in both directions by engaging the Order lines. flange of the hub. A cam disk 273 is mount 20 As hereinbefore stated, to perform di ed on shaft 274 and engages the bell crank vision, it is necessary to move the left figure. 272, which is held in normal position by a 85 of the divisor, set up in the carriage, under spring 532 and whose upper arm carries the the left figure of the dividend, set up in the sixth pawl 269 from the right. This pawl totalizing wheels, and also to back space the carries a halved pin 275 employed to trans 25 carriage from time to time. In order to de fer movement across the machine for print termine readily the position of the divisor, ing Zeros, as previously described. The ro 90 relative to the dividend, order lines 506 are tation of the knurled knob 526 withdraws drawn on the casing as shown in Fig. 4. If the pawl to such an extent that the halved for instance, the left hand figure of an item pin 275 therein is out of engagement with 30 set up in the carriage is seen to be in the its neighboring pins. See Fig. 36. In this third order space, the item wheels are in position the trip lever engaged by this pawl 95 position to coöperate with the three right and the trip levers to the right thereof, can hand totalizing wheels, etc. not be set in effective position by the actua Decimal point lugs. tion of a trip lever to the left thereof. If 35 for instance it is desired to print the follow Two small lugs 507 are arranged to slide ing entries: 00 on the bar 508 mounted on the casing below 95 9575 the openings exposing to view the total 156 98 wheels and register wheels. See Fig. 4. 40 These lugs represent decimal points, and are E. items set up in the item wheels will look chiefly used in the operation of division to thus:- 05 point off the zeros added to the dividend and 9500955 the fractional part of the result, as already 156000987 explained under the heading “Operation of machine.’ and the printed total will appear thus: 45 251 10562 Two column mechanism. 1.0 .Splitting device. Eliminating device. As hereinbefore mentioned, the four left In a previous paragraph it has been de hand gears 200 can be set in such a position 50 scribed how, by reason of a transferring that the four left hand total wheels are hammer tripping device, the actuation of a eliminated from the entering movement of 5 type sector causes zeros to be printed on all the item wheels. This makes it possible to type sectors to the right of the type sector print numbers without adding or subtracting actuated. A device is provided which can them. The sleeve 536 on which the four left 55 be set to modify the aforesaid device, so that the actuation of the left hand hand gears 200 are mounted extends through 20 type sector causes zeros to be printed on the left side plate and has a helical cam the next two type sectors to the right slot cut into its outer end. On its inner thereof only. The actuation of the fifth end it has a small flange, and the right hand 60 type sector from the right, and sectors gear on the sleeve is cut out to receive this between it and the first, will cause zeros to flange. See Fig. 17. A pin 537 in shaft 125 be printed on all type sectors to the right 201 engages the cam slot. The shaft 201 thereof, as hereinbefore described. By is held against rotation and longitudinal reason of this device two columns of figures movement by the link 365 and bell crank 65 863 connected to it on its right end. An may be added; the left column comprising other sleeve 538 with a short flange on its 130 258,310. 2. right hand end is mounted on sleeve 536 tent and tends to hold it in engagement with and held in position against the side plate the notched flange. The other end of this by the shoulder screws 539 bearing against spring is connected to a lever 548 pivotally the flange. This sleeve may be rotated by mounted on the side plate, the forward arm a knurled knob. 540 arranged to slide over of which engages a cam notch in sleeve 538, 70 . it so that the slots in the hollow stem of and the rear arm of which will be moved the knob engage the pin 541 on the sleeve. up in front of an arm on lever 430 when A screw 542 in sleeve 538 engages a short the sleeve 538 is rotated, thereby locking lengthwise slot in sleeve 536 and constitutes the lever 430 against movement. This lever 0 the rotating means therefor. A stop collar 430 is operated by the total key to set the 75 543, to limit the rotation of sleeve 536, has ribbon in total printing position as stated two notches adapted to engage a pin 544 before, and the purpose of locking it is to on the inside of the side plate. One of the prevent the total key from being depressed notches engages the pin when the machine while the machine is set in eliminating po 5 is set for elimination while in adding posi sition. It will be readily understood that 80 tion, as shown in Fig. 17, and the other if the total key has been set and the lever engages the pin when the machine is set 430 moved the same arm thereon will lock for elimination while in subtracting posi the lever 548 against movement, thereby tion. When the machine is in adding posi locking the eliminating device against oper 20 tion with the eliminating device in normal ation. This precaution is necessary, be 85 position all the gears 200 are in a position cause the sum total in the machine may com relative to gears 202 and connecting sec prise all of the total wheels, and to print tors 166 like the right hand gear 200 as this sum total it is necessary to establish shown in Fig. 17. If the eliminating knob a connection between all the total wheels, 25 is now rotated in the direction opposite the connecting sectors 166 and the type Sec 90 to that of the hands of a watch, the sleeve tors, and this requires that the eliminating 538, will be rotated by pin 541 and the sleeve device be set in normal position. 536 rotated by screw 542. As the shaft 201 In order to avoid the printing of zeros is held against both rotation and longitudi where not desired when one column is be 30 nal movement, the pin 537 therein is held ing eliminated, and to obtain a blank space 95 in fixed position and the helical cam slot between the column of eliminated figures engaging the pin will cause the sleeve 536 and the right hand column, the machine to have helical movement toward the left should be set in split position whenever along the shaft. This movement will con it is set for elimination. For instance, it 35 tinue until the stop collar 543 engages the is desired to print the following entries; 00 pin 544, and in this position the gears 200 wherein the left column denotes dates: are in the spaces. between the connecting 9 9250 sectors, that is, in neutral position, and will 13 90975 not be engaged by the sectors. See Fig. 17. 22 13565 40 To guard the five right hand gears 200 05 against movement along the shaft, a pin 31 7525 545 and the stop collar 366 are mounted on The machine is set for elimination and shaft 201, between which the gears are held. split and the items are set up in the item When the machine is set for subtraction 45 the gears 200 are shifted to the left until wheels as follows: 110 the stop collar 366 on the right end of the 9009250 shaft 201 outside of the side plate, strikes 13090975 the side plate, and in this position the gears. 2203565 200 are to the left of gears 202 and engage 31.007525 50 the connecting sectors and pinions, as shown 115 in dotted lines in Fig. 26. When in this Before printing the total the elimination position, it requires but a short movement device is set to normal position. The printed . to set them in eliminating position and list will appear as follows, the total being therefore the knob 540 is turned to a lesser printed in red: 9 9250 20 55 extent. The knob therefore has three posi 13 90975 tions, a normal position, an eliminating - 22 13565 position when the machine is set for addi 31 7525 tion, and an eliminating position when the 121315 machine is set for subtraction. See Fig. 3. 125 60 To hold the kaob against accidental move Looking devices. ment when in either of the three positions, a detent 546 is mounted on the left side Locking devices are provided to lock the plate and arranged to engage any one of figure keys, the adding and subtracting keys, three-notches cut into the flange of the sleeve the back spacing key, and the total and sub 65 538. A spring 547 is connected to this de total keys, during the entire cycle of opera 130 $22. 2,258,310 tions of the operating lever, in order to vided to lock the carriage in normal posi avoid accidental operation of said keys dur tion when the total key is actuated. The ing the operation of the operating lever and link 404, connected to the total key by thereby causing interference of parts and an meals of the bell crank 403, has an upward interlocking of the mechanisms. A shaft extending projection 563. See Figs. 17 and 70 551 is journaled in the key-board side plates 25. A detent 564 is pivoted on the stud 565 and a plate 552, inserted lengthwise therein, mounted on the side plate above the link is normally in position to pass into the 404, and a spring 566 tends to throw this notches in the lower sides of the body por detent in front of the upward projection 0. tions of the figure keys 51 when the keys 563 on link 404. This detent is located 75 are depressed. See Figs. and 9. A lever slightly forward of the projection and when 553 is mounted on the left end of shaft 551 thrown in front of it by the spring prevents. and a spring 554 normally tends to turn the forward movement of the link. The right shaft slightly to position the plate beneath end of the carriage escapement bar 78 nor 5 the shoulder of the figure key notches and mally abuts the detent and holds it out of 80 thereby to lock the keys. See Figs, 3 and the path of the projection 563 against the 14. A lever 555 on shaft 152 abuts lever tension of the pawl spring 566, as shown in 553 and normally holds it in position with Fig. 17.py When the carriage has been es the plate opposite the figure key notches, so caped from normal position, the spring 566 20 that the figure keys may be depressed. When will nuove the detent in front of the projec 85 the operating lever is actuated, the shaft tion on the link and thereby lock it and the 152 is oscillated by means hereinbefore de total key against operation. scribed and the lever 555 moves forward, An offset plate 567 is mounted on the leaving the lever 553 free to be turned by its projection 563 on link 404, and is positioned 25 spring. The shaft 551 is turned thereby, in such a way that when the carriage is in 9) moving the plate 552 into locking position normal position and the total key, is oper and locking the keys so that they cannot be ated, thereby moving the link forward, the depressed. A lever 556 is mounted on shaft upper edge of the plate 567 enters the first 551 adjacent to lever 553 and is arranged to space on the lower edge of the carriage 30 be moved by the oscillation of the shaft into escapement bar 78 and locks the carriage in 95 the path of a pin 557 on the subtotal key normal position. 441, thereby locking the subtotal key against A lock bolt of any suitable construction depression. To lock the subtotal key in de is provided to lock the printing mechanism pressed position during the actuation of the in printing or non-printing position, there 35 operating lever, a short slot is provided on by to compel the printing of each and every 00 the lever 556 near its hub. In the depressed item when the machine is locked in printing position of the subtotal key the pin 557 position. This lock is intended to prevent thereola is adapted to engage this slot when manipulation of the machine to obtain a the operating lever is actuated, thereby total not corresponding with the sum total 40 locking the key in depressed position until of 4 list of printed items. For instance, 105 the completion of the return stroke of the when subtracting and printing a list of actuating lever. items, if an item not on the list be subtracted On the right end of shaft 551 a lever 558 is without printing the same and then the sub mounted. See Figs, 2 and 25. The upper traction and printing of the listed items be 45 arm of this lever has an inverted L-slot continued, the printed items will check up 0 which is engaged by the pin 559 on the with the list, but the balance or remainder total key 402. The lower arm of lever 558 will be smaller to the extent of the unlisted has a locking projection 560 which is adapt items subtracted but not printed. The link ed to swing into the path of the lever 561 262, which cocks the hammers and actuates 50 fixed to the spring lock pawl 356. When the ribbon feed and platen feed, extends up ls the shaft 551 is oscillated, the locking por ward through a slot in the casing. See Figs. tion of the slot in lever 55S locks the total 16 and 21. On the lower side of the casing key in normal position, and the locking pro a bolt lock 570 of any suitable design is so jection 560 locks the spring lock pawl 356 mounted that the bolt 571 of the lock may be 55 and through it the adding and subtracting shot across the central portion of the slot 20 key. . and lock the link 262 in whatsoever posi The back spacing key 485 has a locking tion it happens to be. The slot is of such projection 562 in position to engage the bar length that the link is free to move up and 552 when the bar is in locking position and down on either side of the bolt, which thus 60 lock the back spacing key so that it cannot prevents the setting of the link from one 125 be lepressed. See Figs. 7 and 35. position to the other until locked. w Locking means are provided to lock the It is evident that many modifications in total key against operation when the item the detail construction and arrangement of wheel carriage is “set,' or moved from nor parts of my calculating machine may be 65 mal position and locking means are pro made without departing from the invention, 130 1,258,810 38 and I do not wish to be limited to the me while permitting movement of the figure chanical construction shown and described. keys, What I claim is: 8. A calculating machine comprising a 1. A calculating machine comprising a carriage, item members in said carriage, a movable carriage, item members in said car Series of stops on each of said item members, 70 riage, a series of stops on each of said item a stop pawl for each of the item members, members, figure keys representing digits and said stop pawl being arranged to be set in means movable with said carriage opera selective position to coöperate with the re tively connected with the figure keys to be spective stops on the item members, figure O set thereby and coöperating with said stops keys to actuate the carriage and to set the 75 to determine the setting of said item mem stop pawls, the setting of the stop pawls bers to represent an item. thereby releasing and again stopping the 2. A calculating machine comprising a item members after they have moved in pro movable carriage, item members in said car portion to the figures of the keys operated, 5 riage, a stepped member on each of said item and means to hold the stop pawls in set posi 80 members, means movable with said carriage tion during said movement of the item mem and arranged to coöperate simultaneously bers therefor while permitting movement of With said stepped members to determine the the figure keys. setting of said item members successively in 9. A calculating machine comprising a 20 position to represent an item. carriage, a series of item members in said 85 3. A calculating machine comprising a carriage, springs on the item members tend movable carriage, a series of spring actuated ing to move the same from normal position, item members in said carriage, a plurality pawls arranged in said carriage for the item of stops on each of the item members, and members to hold same against movement, a 25 stop members carried by said carriage and plurality of stops on the item members, 90 arranged to be set by the figure keys to co figure keys representing the digits and means operate with the stops on the item members operatively connected to the keys coöperat to release the item members and stop them in ing with said pawls to release the item mem set position. bers and to set said pawls to stop the item 30 4. A calculating machine comprising a members therefor after they have moved in 95 movable carriage, item members in said car proportion to the figure of the key operated. riage, a series of stops on each of said item 10. A calculating machine comprising members, a pawl for each of said item mem figure keys representing the digits and an bers arranged to coöperate with said stops, oscillatable frame arranged to be actuated 35 figure keys representing the digits and means by the operation of any one of the figure 00 operatively connected to the keys to actuate keys to thereby lift from depressed position said pawls in proportion to the figures of any key in depressed position. the keys operated. 11. In a calculating machine, a movable 5. A calculating machine comprising a frame carrying item members, means for 40 carriage, a series of item members in said setting said item members successively to 105 carriage, a series of pawls arranged to co represent an item, said means being oper operate with said item members, figure keys ated by keys representing the digits, and representing the digits, means operatively means whereby a second key may be oper connected to the keys to actuate the pawls ated to set an item member before the com 45 in succession and means to hold the pawl in pletion of the stroke of the key just oper 110 actuated position during a fractional part of ated. the travel of the carriage. 12. A calculating machine comprising ten 6. A calculating machine comprising a figure keys denoting the ten digits and ar carriage, item members in said carriage, a ranged to be depressed one at a time, an 50 Spring connected to each of said item mem oscillatable frame having two arms ar 5 bers and tending to move same from normal ranged adjacent to said keys, means con position, a series of stops on each of the nected to each of said ten keys and arranged item members, a pawl for each of said item to engage and move one of the arms of said members and arranged to coöperate with frame from normal position and back to 55 said stops, figure keys representing the normal position during depressing move 20 digits and means operatively connected to ment of a key, the other arm of said frame the keys to actuate the pawls in proportion being arranged across said keys in such a to the figures of the keys operated. position that the depressing movement of 7. A calculating machine comprising a another one of said keys will oscillate said 60 carriage, item members therein, stop pawls frame and said last named arm and thereby 25 for the item members, figure keys to actuate raise said first mentioned key from depressed the carriage and to set the stop pawls for position. engagement with the item members and 18. A calculating machine comprising a means to hold the stop pawls in set position movable carriage containing both a series of 65 during the movement of the item members item members adapted to be set to represent 30 2258,350 an item and a series of stop members for resent an item, figure keys, means connected 65 the item members also adapted to be set to to the figure keys to move the carriage step represent an item, and manually operable by step, an operating lever, means connect means to lock Said stop members in set ing with the operating lever to retract the position. carriage to normal position, and means to . 14. A calculating machine comprising a Set the carriage retracting means in inef 70 movable carriage containing both a series of fective position. item members adapted to be set to represent 21. A calculating machine comprising a an item and a series of stop members for the movable carriage, item members in said car O item members also adapted to be set to rep riage adapted to be set to represent an item, resent an item, and a key to lock said stop a series of stop members in said carriage 75 members in set position. adapted to coöperate with the item members 15. A calculating machine comprising a and to be set to represent an item, figure movable carriage containing both a series of keys, means operatively connecting the fig 5 item members adapted to be set to represent ure keys to move the carriage step by step, an item and stop pawls for the item mem an operating lever, means connected to the 80 bers to limit the movement of the item mem operating lever to retract the carriage to bers and also adapted to be set to represent normal position, and a key adapted to be set an item, and a key to lock said stop pawls in simultaneously to lock the aforesaid stop 20 Set position. members in set position and to set the car 16. A calculating machine comprising a riage retracting means in ineffective posi 85 carriage containing item members and tion. W means to move said item members to set 22. In a calculating machine, a movable position, an item retaining device compris carriage and step by step escapement there 25 ing stop pawls adapted to be set to limit the for, retracting means for the carriage com movement of the item members, lock pawls prising a lever connected for actuation by 90 for the stop pawls, and a key to move the the actuating lever, a pawl on said lever, a lock pawls to engage and lock the stop pawls Sector operatively, connected to said carriage in set position thereby to permit said item for moving the same, said sector being 30 member moving means to return the item adapted to be engaged by said pawl for members to set position. - actuation by said retracting lever, and 95 17. A calculating machine comprising a means for holding said pawl out of engage movable carriage containing a series of item ment with said sector to prevent the actua members adapted to be set to represent an tion thereof to return said carriage to nor 35 item, stop pawls for the item members to mal position. limit the movement of the item members 23. A calculating. machine comprising a and adapted to be set to represent an item, laterally movable carriage, a register adapt 100 figure keys, means connected with the figure . ed to show a multiplier or quotient by regis keys to set the stop pawls, and means to lock tering the number of times an item has been 40 the stop pawls in set position. added or subtracted respectively, said regis 18. A calculating machine comprising a ter comprising a series of numeral disks, an 05 movable carriage, item members adapted to oscillatable frame, a pawl mounted on said be set to represent an item mounted in said frame and adapted to engage and move said carriage, a series of stops on each of said numeral disks tooth by tooth, means on said 45 item members, a stop pawl for each of said carriage to move said pawl to bring it in co item members adapted to be set in position Operative position with the numeral disks in 10 to coöperate with the series of stops on the Succession, and an operating lever, and item members, and means simultaneously to means connected thereto to oscillate said lock all of the stop pawls. frame. 50 19. A calculating machine comprising a 24. A calculating machine comprising a movable carriage containing item members totalizing mechanism, a laterally movable 15 adapted to be set to represent an item, an carriage, item members in the carriage, fig item retaining device comprising stop pawls ure keys, means operatively connected to the adapted to be set to limit the movement of keys to move the carriage laterally to posi 55 the item members, lock pawls for the stop tion the item wheels in the desired order of pawls, and means to move the lock pawls to the totalizing mechanism, a series of regis 20 engage and lock the stop pawls in set posi ter disks independent of the totalizing mech tion thereby to retain the set up item in the anism and corresponding respectively to the item members. various lateral positions of the carriage, an 60 20. A calculating machine comprising a operating lever, actuating means for the movable carriage containing both a series of register disks connected with the operating 25 item members adapted to be set to represent lever, and means connected to the carriage an item and a series of stop members for the to position the actuating means for the regis item members also adapted to be set to rep ter disks. 1,258,310, 2s 25. A calculating machine comprising nism and totalizing mechanism in ineffective 65 item mechanism and totalizing mechanism, position. said mechanism being relatively laterally 29. A calculating machine comprising an movable and adapted to be coöperatively operating lever, item wheels, and clearing actuated in their various lateral positions, pinions, drive mechanisms for said item figure keys to induce said relative move wheels, and clearing pinions, a shaft ar 70 ment, an operating lever to actuate said ranged to be oscillated by said operating mechanisms, a series of register disks inde lever, a double helical spring enveloping pendent of the totalizing mechanism and said shaft, said spring being wound from 10 corresponding respectively with the various its center to the left and to the right in relative lateral positions assumed by said opposite directions, the center portion of 75 mechanisms, said register disks being adapt the spring being fastened to said shaft and ed to be actuated to indicate the number of the two ends being connected to said drive actuations of said mechanisms in each of the mechanism. 15 various relative lateral positions thereof, 30. A calculating machine comprising means operatively connected with the figure item members arranged to be set to repre keys to position the actuating means of the sent an item, a bar arranged to engage and 80 register disks and means connected with the restore the item members to zero position, an operating lever to actuate the respective operating lever, and means to transmit 20 register disks. movement from said operating lever to said 26. A calculating machine comprising a bar, said means being arranged to change 85 register adapted to be set to show a multi the velocity ratio between the operating plier or quotient and comprising a series of lever and bar during the operation of the numeral wheels, a pawl adapted to engage lever. 25 and set the numeral wheels, figure keys, 31. A calculating machine comprising means operatively connected to the figure item members arranged to be set to repre 90 keys to position the pawl, an operating lever sent an item, an operating lever, a bar and means operatively connected thereto to operatively connected to the operating lever, actuate the pawl, and manually operable and arranged to engage and restore the item 30 means to engage and rotate the numeral members to normal position, and a velocity wheels to zero position. . . . ratio changing device interposed between 95 27. A calculating machine comprising a the operating lever and said bar to move carriage adapted to be moved step by step and restore the item, members with gradu - from normal position, item members in said ally diminishing velocity. 35 carriage adapted to be moved in proportion 32. A calculating machine comprising to the figures of an item, an item retaining item members arranged to be set to represent 0. device adapted to be set to retain the item an item, an operating lever, a restoring de members in set up position, an operating vice for the item members operatively con lever, means to retract the carriage opera nected to the operating lever and arranged 40 tively connected to the operating lever, a to receive uniform movement from the oper register adapted to be set to show the mul ating lever and to transform it and deliver. 105 tiplier - or quotient, means to actuate the to the item members movement of gradu register operatively connected to the oper ally diminishing velocity. ating lever, and a key adapted to be set to 33. In a calculating machine comprising 5 simultaneously set the item retaining device a series of item members pivoted on the and the register actuating means in effec same axis and means for moving said item 10 tive position and the carriage retracting members through angles proportional to means in ineffective position, whereby suc the respective figures of an item, means for cessive addition or subtraction may be per returning said item members to Zero posi 50 formed in any desired decimal order and a tion ce inprising a bar mounted to swing visual record thereof. obtained. about the pivotal axis of the item members 115. 28. A calculating machine comprising a and adapted to engage said item members key adapted to be set to simultaneously set for return movement, a link motion for the item retaining device and the register actuating said bar, said link motion com 55 actuating means in effective position and prising a lever arm arranged to be actuated the carriage retracting means in ineffective by the actuating lever, and a link connect 120 position, a lock pawl to lock said key in ing said lever arm with said bar, the axis of set position, item mechanism and totalizing rotation of said lever arm being in line mechanism normally out of operative con with the pivotal connections of said links 60 nection, means to operatively connect said . near the end of the return movement of said mechanism and a key adapted to be set to item members. 25 thereby release and reset the first mentioned 34. A calculatin machine comprising key and the devices set by same and to set toothed item members, totalizing mecha the connecting means of the item mecha nism, a series of intermediate gears movably 1,258,810 mounted, an operating lever, and means mechanism and the printing mechanism at actuated by said lever to move the inter the initial portion of the initial stroke of the mediate gears to operatively connect the lever and disconnect the same at the initial item members and totalizing mechanism. portion of the return stroke of the lever. 35. A calculating machine comprising 42. A calculating machine comprising 70 toothed item members, printing mechanism, item members arranged to be set to repre a series of connecting gear's movably mount sent an item, totalizing mechanism, print ed, an operating lever, and means opera ing mechanism comprising printing mem tively connected to said lever to move the bers, said mechanisms being normally out O connecting gears to operatively connect the of operative connection, an oscillatable 75 item members with the printing mechanism. frame, a series of gear sectors pivoted in said 36. A calculating machine comprising frame, links connecting the gear Sectors to item members, totalizing mechanism, and the printing members and means to oscil printing mechanism, said mechanisms being late the frame to operatively connect the 5 normally out of operative connection, a gear sectors with the item members. 80 series of movably mounted connecting 43. A calculating machine comprising members, and means to move the connecting item members arranged to be moved in pro members to operatively connect both the portion to the figures of an item, a series of item members and totalizing mechanism sectors arranged to be moved into opera 20 with the printing mechanism. tive connection with the item members, a 85 37. A calculating machine comprising series of type carrying members, links con item members, total wheels and printing necting the type carrying members to said members, a series of movably mounted coin sectors, an operating lever, means actuated necting members normally operatively con by the operating lever to move said sector's 25 nected to the printing members, and means into operative connection with the item 90 to move the connecting members into oper. members, and means actuated by the operat ative connection with both the item mem ing lever to restore the item members to bers and total wheels. Zero position and transfer this restoring 38. In a calculating machine item mem movement to the type carrying members. 30 bers and printing members, a movable shaft, 44. A calculating machine comprising a 95 a series of gear sectors on said shaft, said series of item members, totalizing mecha gear sectors being normally operatively con nism, and printing mechanism comprising a . nected to said printing members, and means series of printing members, an oscillatable to move said shaft to move the gear sectors frame, a series of gear sectors loosely mount 35 into operative engagement with the item ed in said frame and operatively connected 100 members. to the printing members, and means to os 39. In a calculating machine, item mecha cillate the frame to move the gear sectors nism, an oscillatable frame, a series of sec into operative connection with the item tors in said frame, a series of type carrying members and totalizing mechanism. 40: members operatively connected to said sec 45. In a calculating machine, item mecha 05 . tors, an operating lever, means connected nism, an oscillatable frame, a series of sec to the operating lever to oscillate said frame tors pivotally mounted in said frame, a se to thereby connect the type carrying mem ries of type carrying members, links con bers to the item mechanism through said necting the respective type carrying mem 45 Sectors. bers to the sectors, an operating lever, and 110 40. A calculating machine comprising means connected to the operating lever to item mechanism and totalizing mechanism, oscillate said frame to thereby connect the said mechanisms being normally out of oper. respective type carrying members to the ative connection a series of independent item mechanism through said sectors. 50 connecting members movably mounted, an 46. A calculating machine comprising 15 Operating lever and means connected to the item mechanism, totalizing mechanism, a Operating. lever to move the connecting frame arranged to be oscillated and carry members into operative connection with the ing the means to operatively connect and item mechanism and the totalizing mecha disconnect said mechanisms, a sector 173, a 55 nism at the initial portion of the initial cam plate 176 on said sector, a frame shaft, a 20 stroke end to move them out of operative lever on said frame shaft, a pawl 171 mount connection at the initial portion of the re ed on said lever, and arranged to coöperate turn stroke of the lever. with said sector, a pin 175, a pin 174 on pawl 41. A calculating machine comprising 171 to coöperate with the pin 175, and a pawl 60 item mechanism, totalizing mechanism and 177 to coöperate with the cam plate and pin 2. printing mechanism, said mechanisms being 174, substantially as described. normally out of operative connection with 47. A calculating machine having in com each other, an operating lever, means con bination with total wheels a series of gears nected to the operating lever to operatively operatively connected to the total wheels, a 65 connect the item mechanism, the totalizing shaft for the gears, means to shift the shaft 130 1,253,310 27 and gears, printing members, means to oper through said gears and means to set said atively connect the printing members and gears in either of said two positions to said gears, and means to transfer movement thereby cause rotation of the total wheels from the total wheels to the printing men in either direction. bers and from the printing members to 54. A calculating machine comprising 70 the total wheels. item mechanism, a series of stationary total 48. A calculating machine comprising wheels arranged to rotate in one direction item members, totalizing mechanism, a series for addition and in the reverse direction for of connecting gears movably mounted, an subtraction, a single series of shiftable geal's 75 0 operating lever, means operatively con to connect the total wheels with the item nected to said lever to move the connecting mechanism and arranged to be set in either geal's to operatively connect said item mem of two positions to transmit movement to the total wheels either in adding direction bel's and totalizing mechanism, and means or in subtracting direction, manually oper to set the last mentioned means in ineffective able means to set said gears in either posi. 15 position.49. A calculating machine - comprising tion and a locking device arranged to hold 80 item members, printing mechanism, a series the gears in set position. of connecting gears movably mounted, an 55. A calculating machine comprising total wheels adapted to be rotated in one operating lever, means operatively con 85 20 nected to said lever to move the connecting direction for addition and in the revelse di gears to operatively connect the item mem rection for subtraction, a series of type car bel's and printing mechanism, and means to rying members, a series of gears interposed set the last mentioned means in ineffective between the type carrying membel's and the total wheels and adapted to be set in either position. 90 25 50. A calculating machine comprising of two positions to transmit either adding or subtracting movement to the total wheels. totalizing mechanism, printing mechanism, and an operating lever arranged to opera: a series of movably mounted connecting tively connect the type. carrying member's gears between said totalizing and printing and total wheels and set the type carrying mechanisms, said gears being normally out 95 30 of operative engagement, an operating lever, members to represent an item and simul means operatively connected to said lever taneously transfer corresponding movement. to move said connecting gears into opera to the total wheels either in adding or sub tracting direction. tive engagement, and means to set the last 56. A calculating machine comprising a mentioned means in ineffective position. 100 35 51. A calculating machine comprising series of shift gears adapted to be shifted item mechanism, and totalizing mechanism to set the machine either in adding ol' sub comprising total wheels, a series of shift tracting position, a shaft adapted to be able gears interposed between said item shifted longitudinally; said gears being ro mechanism and said total wheels and adapt tatably mounted on said shaft and longi 105 40 ed to operatively connect the same in either tudinally shiftable therewith a key opera of two positions, a second series of shiftable tively connected to said shaft and adapted gears; and means to interpose said second to shift and set the shaft and gears in add series of gears between said item mechanism ing position, and a second key operatively and total wheels, said second series of gears connected to said shaft and adapted to shift 1.0 45 being adapted to coöperate with said first the said shaft and gears in subtracting posi series in either position and operatively con tion, said keys being manually operable and nect said item mechanism with said total each adapted to reset the other. wheels. 57. A calculating machine comprising 52. A calculating machine comprising item mechanism, a series of total wheels ar il 5 50 total wheels, a series of gears operatively iranged to rotate in one direction for addi connected to the total wheels, a carriage, item tion and in the reverse direction for subtrac members in Said carriage, means to move tion, a series of gears to connect the total said carriage to bring the item members into wheels with the item mechanism and adapt coöperative position with said gears, means ed to be set in either of two positions to to transmit movement from the item mem transmit movement to the total wheels either 20 bers to the total wheels through said gears. in adding direction or in subtracting direc and means to set said gears in either of two tion, manually operable means to set said positions to thereby cause rotation of the gears in either position and comprising a total wheels in either direction. key to set them in one position, a second key 60 53. A calculating machine comprising to set them in the other position, stops to 25 item members, stationary total wheels, a limit the setting movement and a spring to single series of shiftable gears operatively hold the gears against the stops in either connected to said total wheels in either of position to thereby lock them in the respec two positions, means to transmit movement tive position. -. 130 65 from the item wheels to the total wheels 58. A calculating machine comprising to: g i258,810
tal wheels, an oscillating frame, lock pawls tal. Wheels to set the carrying pawls, a series 65 for the total wheels mounted in said frame, of lock levers to lock the carrying pawls in a carriage, a locking device for said lock normal and in Set position, means on the pawls controlled by said carriage, an oper total Wheels to coöperate with the lock levers ating lever, and means actuated by the op to unlock and relock the carrying pawls, an erating lever to oscillate the frame and move Operating lever, and means connected to the 70 said lock pawls from effective to ineffective Operating lever arranged to coöperate with position. the locking levers in succession to unlock the 59. In a calculating machine, a carriage carrying pawls, to actuate them to carry and 10 having a step by step movement, a series to relock them in normal position. of total wheels having teeth, lock pawls 64. A calculating machine comprising a 75 mounted in a movable frame adapted to be Series of total wheels, a carrying train ar shifted to carry said pawls into and out of ranged between each two adjacent total engagement with the teeth on said total Wheels and comprising a carrying element 5 Wheels, means controlled by said carriage arranged to engage and carry the total wheel for simultaneously locking and successively of higher order, means on the total wheel of 30 unlocking said pawls in engagement with lower order to lock the carrying element in said total wheels, and means for moving said normal position, to release it, to set it in po frame to disengage said unlocked pawls sition to carry and to relock it in set posi 20 simultaneously from said total wheels. tion, an Operating lever, means connected to 60. In a calculating machine, the combi the operating lever to unlock the carrying 85 nation with total wheels of lock pawls for element, to impart movement to it in re the total wheels, a locking device for the lock. versed direction to the setting movement to pawls, a carriage arranged to have step by thereby engage and carry the total wheels 25 step movement, item members in the car of higher order, and to relock it in normal riage, means connected with the carriage to position. 90 set the locking device in operative position, 65. A calculating machine comprising a Said means being arranged to permit the series of total wheels, a carrying train ar unlocking of the lock pawls of such of said ranged between each two total wheels, a car 30 total Wheels as are in coöperative position rying pawl arranged to engage and carry with the item members and to lock the lock the total wheel of higher order, means on 95 pawls of Such total wheels as are not in co the total wheel of lower order to move the operative position with the item members. carrying pawl a distance of one tooth oppo 61. In a calculating machine, the combina sitely to the carrying direction to thereby 35 tion with total wheels of lock pawls for the set it in position to carry, means on the total total wheels, a locking device for the lock wheel of lower order to lock the carrying 00 pawls, a carriage arranged to have step by pawl in normal position, to release it for set step movement, item members in the car ting movement and to relock it in set posi riage, means connected with the carriage to tion, an operating lever, means connected to 40 set the locking device in effective position, the operating lever to move the carrying said means being arranged to permit the un pawl one tooth to thereby carry the total 05 locking of the lock pawls of such of said wheel of higher order and to restore the total wheels as are in coöperative position pawl to its normal position, and means con with the item members and to lock the lock nected to the operating lever to unlock the 45 pawls of such total wheels as are not in co carrying pawl for such carrying movement Operative position with the item members, and to relock it after carrying movement in O retracting means for said carriage, the re normal position. traction of said carriage to normal position 66. A calculating machine comprising a setting in ineffective position said means to . series of total wheels arranged to be rotated 50 set the locking device in effective position. in one direction for addition and in the re 62. A calculating machine comprising a verse direction for subtraction, a carrying 115 series of total wheels subject both to enter train arranged between each two adjacent ing and to carrying movement, a series of total wheels and comprising a carrying pawl lock pawls to lock the total wheel against - arranged to engage to carry the total wheel 55 accidental movement, a shaft arranged to be of higher order in either direction, means rotated by the operating lever, means on the on the total wheels of lower order arranged 20 shaft to impart carrying movement to the to be effective during rotation in either di total wheels in succession, and means con rection to move the carrying pawl a distance. nected with this shaft to unlock the total of one tooth opposite the carrying direction 60 wheels in succession for carrying movement to set it either in position to carry for addi and to relock them after carrying movement. tion or in position to carry for subtraction. 25 63. A calculating machine comprising a 67. A calculating machine comprising a series of total wheels, a series of carrying series of total wheels arranged to be rotated pawls for the total wheels, means on the to in one direction for addition and in the re 1,258,810 verse direction for subtraction, a carrying cams 305 for the set levers and the set pawls 65 train arranged between two adjacent total 313, lock disks 312 for the lock levers 310 wheels and comprising a carrying pawl ar and 309, lock disks 328 for the lock pawls ranged to engage and carry the total wheel 213, substantially as described. of higher order, means on the total wheel 71. A calculating machine comprising of lower order arranged to be effective dur total wheels, an oscillating frame, lock pawls 70 ing rotation in either direction to move the for the total wheels pivotally mounted in carrying pawl the distance of one tooth in said frame, an operating lever, means con the opposite direction to the total wheel, to rected to the operating lever to oscillate the 10 thereby set the carrying pawl in position to frame to disengage the lock pawls from the total wheels. 75 carry either for addition or for subtraction, 72. In a calculating machine a carrying anoperating operating lever lever, to meansrestore connectedcarrying topawls the mechanism arranged between each two adja out of normal position to normal position to cent total wheels and comprising a set lever, 5 thereby carry their respective total wheels. a carrying pawl operatively connected to the 68. A calculating machine comprising a set lever, a set pawl operatively connected 80 series of total wheels arranged to be rotated to the set lever, means on the total wheel to in one direction for addition and in the re move and set said set lever by engaging and verse direction for Subtraction, a carrying moving said set pawl and a shaft rotatingly 20 train arranged between each two adjacent mounted and arranged to coöperate with total wheels and comprising a carrying pawl said set pawl to constrain the movement of 85 to carry the total wheel of higher order, a Sae. disk mounted on the total wheel and having 78. In a calculating machine totalizing a concentric surface with a recess for every mechanism comprising a series of carrying 25 tenth tooth of the total wheel, a lock pawl. trains, each train comprising a total wheel, arranged to coöperate with said disk and a, Set disk connected to the total wheel, set 90 with the carrying pawl to lock the carrying projections on the set disk, an actuating . pawl in normal position by the concentric lever, a carrying pawl operatively connected surface thereof and to release and relock it to said actuating lever and adapted to en 30 by the recesses therein, a disk mounted on gage and carry the total wheel of next the total wheel and having a projection for higher order, means operatively connecting 95 every tenth tooth of the total wheel and ar said actuating lever and said set disk to set ranged to move and set the carrying pawl in the actuating lever in either of two positions position to carry, said movement occurring by the rotation of the total wheel, and means 35 in the interval between the release and re operatively connected to the operating lever locking of same by the lock lever, a lever to reset said actuating lever. 00 connected to the aforesaid lock pawl, an op 74. In a calculating machine totalizing erating lever and cam shaft arranged to be mechanism comprising a series of carrying rotated thereby, a cam disk mounted on said trains, each train comprising the total wheel, 40 cam shaft to coöperate with said lock pawl a lock disk on the total wheel having a re lease notch for every tenth tooth of the total 05 to release the carrying pawl for restoring wheel, a carrying pawl adapted to engage movement and to relock it in normal posi and carry the total wheel of next higher tion.69. A calculating machine comprising order, means on the total wheel to set said 45 total wheels, lock pawls for the total wheels, carrying pawl in either of two positions, and carrying pawls for the total wheels, lock a lock lever operatively connecting said lock 0 disks on the total wheels, lock disks con disk and said carrying pawl to lock said car nected to the operating lever to lock the car lying pawl in normal position and in set rying pawls, lock disks connected to the op position, and means connected to the operat 50 erating lever to lock the total wheels, lock ing lever to release the carrying pawl when pawls and levers arranged to coöperate with in set position, to move it to carry and to 15 the lock disks on the total wheels and the relock it in normal position. lock disks connected to the operating lever 75. In a calculating machine, a series of respectively to lock the carrying pawl in . total wheels and gear trains therefor, a series normal and in set position. of clearing pinions fixed on a shaft, said 70. In a calculating machine a carrying pinions being normally out of mesh with 120 mechanism comprising total wheels, lock said gear trains respectively, means whereby pawls 213 for the total wheels, set disks 301 said gear trains are put in position to mesh on the total wheels, lock disks 302 on the with said clearing pinions by the rotation of 60 total wheels, set levers 303, set pawls 307 on the total wheels from zero position, and the set levers, a guide shaft for the set pawls, means for rotating said clearing pinions 125 carrying pawls 311 on the set levers, lock causing the latter to mesh with such of the levers 309 and 310 for the set levers, set gear trains as are moved from Zero position pawls 313 for the carrying pawls, actuating and to move them to zero position and un 1258,310 ing device to be operated by the operating 65 mesh therewith, said clearing pinion rotat lever and simultaneously to set the totaliz ing means comprising mechanism for trans. ing mechanism for subtraction. graduallyforming uniformdiminishing motion velocity. into motion of 81. In a calculating machine the combi 76. In a calculating machine comprising nation with a totalizing mechanism ar total wheels and clearing pinions for moving ranged to be set for addition and subtrac 70 said total wheels to zero position, means for tion, of a clearing device for Same, all Oper rotating said pinions comprising a shaft car ating lever, key controlled means to con rying a driving disk, a pawl on said disk, a nect the clearing device to the operating 0 inion loosely mounted on said shaft and lever and to set the totalizing mechanism carrying a ratchet adapted to be engaged by for subtraction, and means connected to the 75 said pawl, a fixed stop adapted to be ent operating lever to disconnect the clearing gaged by said pawl, means for rotating said device and to reset the totalizing mechanism pinion, and means for setting said pawl in to adding position. 5 engagement with said fixed stop or said S2. In a calculating machine, totalizing ratchet. mechanism, a series of gear trains coöperat 77. A calculating machine comprising a ing with said totalizing mechanism, said series of total wheels, means to reset the total gear trains comprising a series of shiftable wheels to zero position, and a Zero stop for gears, clearing pinions for said totalizing 20 each total wheel adapted to be set to stop the mechanism and actuating mechanism there total wheel in zero position and comprising for, and key actuated means for moving said 85 a shaft, a series of projections on the shaft, shiftable gear's to introduce a series of re and means to oscillate the shaft to set the versing gears into Said gear trains, said key projections in position to stop the total actuated means also operating to set the 25 wheels in Zero position. clearing pinion actuating mechanism into 78. In a calculating machine, total wheels operative position. 90 and means for returning them to Zero posi 83. In a calculating machine having an tion, cam disks carried by said total wheels, adding key, a subtracting key and a total said cam disks each having a projection cor key, a lever pivotally mounted at its middle 30 responding to the Zero position on its total point, said adding and subtracting keys be wheel, zero stops for said total wheels, Said ing respectively pivoted to the opposite ends zero stops being arranged on a shaft adapted of said lever, a pawl on said total key adapt to be oscillated to bring said stops into posi ed to engage a notch on said subtracting key tion to engage said cam disk projections when the latter is in raised position, where 35 when returned to the Zero position, and by depressing said total key also depresses means for oscillating said shaft to set Said said subtracting key and raises said adding 00 stops in engaging position prior to the re key. turning movement of the total wheels and to 84. In a calculating machine the combi set said stops out of engaging position at the nation with total wheels, of a clearing de end of the returning movement of the total vice for the total wheels, type carrying wheels. members, an operating lever, means con 05 79. In a calculating machine, a total key, nected to the operating lever to actuate the total wheels and means for returning them clearing device during the initial stroke of to Zero position, said means being adapted the lever, means connected to the operating 45 to be set in operative position by said total lever to connect the type carrying members key, cam disks carried by said total wheels, with the total wheels during the initial 0. said cam disks each having a projection stroke of the lever and to connect them dur corresponding to the Zero position on its ing the return stroke of the lever, and a total wheels, zero stops for said total wheels, plate actuated by the operating lever on the 50 said zero stops being arranged on a shaft return stroke of same to engage and return adapted to be oscillated to bring said stops the type carrying members to zero position 15 into position to engage said can disk pro and reset the total wheels to their former jections when returned to the Zero position, position. and means operatively connected to said 85. A calculating machine comprising to 55 total key for oscillating said shaft to set talizing mechanism, printing mechanism said stops in engaging position simulta and a series of connecting gear's movably 20 neously with the setting of the total wheel mounted, an operating lever, means oper returning means in operative position by atively connected to same to move the con sail total key. necting gears to operatively, connect the to 60 S(). In a calculating machine the combi talizing mechanism and printing mechanism nation with a totalizing mechanism ar at the initial portion of the initial stroke of 125 ranged to be set for addition or subtrac the operating lever and to disconnect the tion, of a clearing device for same, an op Said mechanisms at the initial portion of erating lever, and a key to cause the clear the return stroke, and a key adapted to be 1,258,310 8 set prior to the actuation of the operating hammer to set the trip lever in effective po lever to move the connecting gears to oper sition when the type sector is actuated atively connect the totalizing mechanism 90. A calculating machine comprising a and printing mechanism and to hold said series of type sectors, a shaft, a series of mechanisms in operative connection during hammers loosely mounted on said shaft, a 70. the return stroke of the operating lever. swinging frame fixed on said shaft, a series 86. A calculating machine comprising to of set pawls mounted in said frame and tal wheels adapted to be rotated in one di adapted to engage said hammers, an operat rection for addition and in the reverse di ing lever, and means connected to the oper 10 rection for subtraction, a series of type car ating lever to oscillate said shaft and Swing 75 rying members, a series of gears interposed said frame to thereby set the hammers. between the type carrying members and the 91. A calculating machine comprising a total wheels and adapted to be set in either series of type sectors, a shaft, a series of of two positions to transmit either adding hammers loosely mounted on said shaft, a .5 or subtracting movement to the total wheels, swinging frame fixed on said shaft, a series an operating lever arranged to operatively of set pawls mounted in said frame and connect the type carrying members and the adapted to engage said hammers, an operat total wheels during the initial stroke of the ing lever, means connected to the operating lever and to simultaneously enter an item lever to oscillate said shaft and Swing said 20 into the type carrying members and into the frame to thereby set the hammers, and total wheels and to disconnect the type car means connected to the type sectors to re rying members from the total wheels during lease the Set pawls. the return stroke of the lever and to reset. 92. A calculating machine comprising a the type carrying members to normal posi series of type sectors, a series of hammers, tion, and manually operable means to springs for the hammer's tending to hold 9 () modify the function of the aforesaid means them in normal position and a setting de so that the type carrying members and the vice for the hammer's comprising a shaft for total wheels remain in operative connection the hammers, a swinging frame fastened to during the return stroke of the operating said shaft, a series of set pawls mounted in 30 lever and the resetting movement of the said frame, adapted to engage and set the 5 type carrying members is retransferred into hammers, an operating lever, means con the total wheels. nected to the operating lever to Oscillate said 87. In a calculating machine, the combi shaft and swinging frame to thereby set nation with total wheels of a clearing de said hammers, and means operatively con vice for the total wheels, type carrying nected to the type sectors to release the set 100 members, an operating lever, means con pawls from the hammer's to thereby cause nected to the operating lever to actuate the the same to move to normal position and clearing device during the initial stroke of print. the lever, means connected to the operating 93. A calculating machine comprising a 40 lever to connect the type carrying members series of type sectors, a hammer for each 105 with the total wheels during the initial type sector, a trip lever for each hammer, a stroke of the lever and to disconnect them cam on each type sector, adapted to coöp cluring the return stroke thereof, means to erate with the trip lever of the respective modify the function of the last mentioned hammer to set the trip lever in effective po 45 means so that the type carrying members sition when the type sector is actuated, and () remain operatively connected with the total a transferring device for the trip levers to wheels during the return stroke of the lever, transfer the movement imparted to a trip and a plate actuated by the operating lever lever by its respective type sector cam to all on the return stroke thereof to engage and the trip levers to the right thereof. 50 return the type carrying members to Zero 94. In a calculating machine comprising 15 position. a series of movable type holders for print SS. A calculating machine comprising a ing type, a series of impression hammers, a series of type carrying sectors having a con series of trip levers for the hammers, the centric portion with V-shaped notches, a several trip levers each being adapted to shaft having a series of alining pawls adapt be set to a trip hammer by movement of the 120 ed to a line and lock the Sectors by engag corresponding type holder, transferring ing the notches in the concentric portion pawls for setting the trip lever to the right thereof, an operating lever and means con of any trip lever set by a type holder, said nected to the operating lever to actuate the pawls being pivotally mounted all on the same axis, and each having parts adapted to 125 60 saidS$). shaft. A calculating . machine comprising a engage the adjacent pawls, and means for series of type sectors, a hammer for each moving one of said pawls out of line with type sector, a trip lever for each hammer, a the others whereby it no longer is adapted can on each type sector, adapted to colöp to engage with the pawls adjacent thereto. 65 erate with the trip lever of the respective 95. In a calculating machine the combina 30 32 1,258,310 tion with a series of item members arranged nism and the total wheels, said gears being to be positioned to represent an item, of a adapted to be set in either of two positions series of type carrying members, a corre to transmit movement in either direction to sponding number of total wheels, means to the total wheels, means to transmit move transmit entering movement from the item ment from the item wheels to the total 70 members simultaneously to the type carry wheels and means to set certain of said gears ing members and total wheels to print and in neutral position in which they will not add an item, and means to eliminate certain transmit any movement to the total wheels. of said total wheels from such entering 100. A calculating machine comprising a 0 movement to thereby print such figures series of gears adapted to be shifted in 75 without adding the same. unison to be set in position to transmit 96. In a calculating machine, the combina either adding or subtracting movement to tion with a series of item members, of a se the total wheels, a shaft longitudinally mov lies of type carrying members, a series of able, certain of said gears being rotatably 5 total wheels, a series of gears operatively mounted on said shaft and longitudinally 80 connected with the total wheels, means to movable there with, a sleeve longitudinally transmit movement from the item members movably mounted on said shaft, certain of both to said series of gears and to the type said gears being rotatably mounted on the carrying members, and means to move cer sleeve and longitudinally movable therewith, 20 tain of said gears to inoperative position means to move the shaft with the sleeve lon 85 where they and the total wheels will not be gitudinally to set all of the gears in either subject to movement from the item mem of the two positions and means to move said bers, thereby to print a number without sleeve longitudinally on the shaft to set the adding Same. gears mounted thereon in neutral position 25 97. In a calculating machine, the combina in which they will not transfer any move 9 () tion with a series of item members, of a se ment to the total wheels, thereby eliminat ries of type carrying members, a series of ing certain of the total wheels from entering total wheels, a series of gears operatively movement. connected with the total wheels, means 101. A calculating machine comprising 80 adapted to transmit movement from said printing mechanism adapted to be set in ef series of gears to said type carrying mem fective position to print, and locking means bers, said means also being adapted to trans for preventing said printing mechanism mit movement from said item members to from being set in ineffective position to said gears and type carrying members, print, said locking means being operable by means to move certain of said gears to in a removable pass key. O operative position where they and the total 102. A calculating machine comprising a wheels will not be subject to movement from totalizing mechanism having numeral disks the item members, thereby to print a num to indicate visually the number to be multi ber without adding same, and means to ro-. plied or divided, register disks to indicate 40 tate said series of gears independently of the multiplier or quotient, and decimal point 0. the item members to transfer and print the lugs movably mounted to point off the frac total of the items added. tional part of the numbers. 98. In a calculating machine, the combi 103. A calculating machine comprising a nation with a series of item members of a totalizing mechanism having numeral disks 45. series of type carrying members, a series of to indicate visually a dividend, register disks total wheels, a series of gears operatively to indicate visually a quotient, a rod mount connected with the total wheels, means to ed adjacent to said disks, and members slid transmit movement from the item members able on said rod to indicate visually the po both to said series of gears and to the type sition of the decimal points in said dividend 50 carrying members, means to move certain of and quotient respectively. said gears to inoperative position where 104. A calculating machine comprising they and the total wheels will not be subject item mechanism having a series of numeral to movement from the item members, to disks to display the “set up” item, totalizing thereby print a number without adding mechanism having a series of numeral disks 55 same, means to transmit movement from to display the sum total, said mechanisms 2 said series of gears to the type carrying being relatively movable to position a set up members, and means for preventing actua item in the desired order of the totalizing tion of said series of gears to transmit move mechanism, a casing having openings to dis ment to said type sectors when any of said play said numeral disks and lines drawn on 60 gears are in inoperative position. said casing to denote the position of the 99. A calculating machine comprising an item mechanism relative to the totalizing item mechanism, total wheels adapted to be mechanism. rotated in one direction for addition and in 105. A calculating machine comprising a the reverse direction for subtraction, a series carriage, a series of visual item members in 65 of gears interposed between the item mecha said carriage, a series of stop members in 13 l,258,310 said carriage adapted to be set to stop the carriage, said locking device being adapted movement of said item members, figure keys, to be positioned by the lateral movement of and means connected to said figure keys to said carriage to permit releasing movement set said stop members. of the lock pawls. 5 106. In a calculating machine comprising 109. A calculating machine comprising total wheels, means for returning said total total wheels, item mechanism comprising a wheels to zero position, said means being ac movable carriage, figure keys adapted to S) tuated from the operating lever by connec move the carriage step by step to bring the tions adapted to transform uniform move item mechanism into coöperative position () ment into movement of gradually decreasing with the total wheels, lock pawls for the to velocity. tal wheels, and a locking device for the lock 107. In a calculating machine, type carry pawls operatively connected with said car ing devices, means for setting said devices to riage, to be positioned by the movement of represent an item, said means being actuated the carriage to permit the unlocking of the from the operating lever by connections lock pawls for such total wheels as are adapted to transform uniform movement brought into coöperative position with the into movement of gradually decreasing ve item mechanism. 8 w locity. Signed at St. Louis, Missouri, this 17th 108. In a calculating machine comprising day of October, 1912. 20 a carriage adapted to have lateral movement, RICHARD voN REPPERT. a series of total wheels, lock pawls, for the Witnesses: total wheels, and a locking device for the AMASA M. HoLCOMBE, lock pawls operatively connected with said PAULINE AMBERG.