W. P. WOOD, SPINNING OR TWISTING MACHINE, APPLICATION FILED FEB, 26, 1909, 928,830, Patented July 20, 1909.

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UNITED STATES PATENT OFFICE. WILLIAM P. WOOD, OF PAWTUCKET, RHODE ISLAND, ASSIGNOR TO JENCKES SPINNING COMPANY, OF PAWTUCKET, RHODE ISLAND, A CORPORATION OF RHODE ISLAND. SRENNING OR TWISTING MACHINE. No. 928,880. Specification of Letters Patent. Patented July 20, 1909. Application filed February 26, 1909. Serial No. 480,153. , To all whom it may concern: pearance of rough pongee fabrics. These Be it known that I, WILLIAM. P. WooD, a features of the invention in their broader citizen of the United States, residing at aspects contemplate the provision of any Pawtucket, in the county of Providence and suitable mechanism which will coãperate State of Rhode Island, have invented cer with the twisting mechanism to vary the 60 tain new and useful Improvements in Spin size of the yarn at the desired, widely vary ning or Twisting Machines; and I do hereby ing intervals, and the specific construction declare the following to be a full, clear, and and arrangement, and the specific mode of exact description of the invention, such as operation of such mechanism may be varied 10 will enable others skilled in the art to which without departing from the broader features 65, it appertains to make and use the same. of the invention. The invention relates to spinning or twist More specifically considered, the inven ing machines such as are used in the manu tion contemplates the provision in a spin facture of yarn or roving. 'nings or twistings machine, of mechanism The primary object of the invention is to for actuating the rolls which supply the roy 70 provide mechanism for manufacturing rov ing or yarn to the twisting spindles or bob ing or yarn of varying size in which varying bins to increase the material delivered to lengths of comparatively fine size alternate the spindles at irregularly recurring inter with widely varying lengths of larger size. vals, and during widely varying periods. 20 Accordingly one feature of the invention This increase in the material delivered to 75 contemplates the provision in a spinning the spindles may be provided for in different or twisting machine of means coöperating ways, but is preferably secured by Supplying with the twisting mechanism to increase the additional roving during varying periods size of the yarn or roving being produced at and at irregularly varying intervals Dur 25 varying intervals and during widely vary ing the periods when the feed of the addi 80 ing periods. By a mechanisin of this charac tional roving is discontinued, fine yarn or ter, yarn or roving may be produced in roving will be produced, while during the which varying lengths of fine size alternate periods that the additional roving is fed to with widely varying lengths of coarser size, the spindles, yarn or roving of large size 30 and the variations in the lengths of the suc will be produced, and the production of this 85 cessive fine and coarser parts may be prede large size yarn or roving will continue until termined and controlled to secure the desired the feed of additional roving is again dis results. By embodying a mechanism of this continued. The supply of additional rov character in a spinning frame, and properly ing during the periods in which the coarser varying the lengths of the fine and coarse yarn or roving is being produced is pref 90 parts and their distribution along the yarn, erably effected by means of rolls which are yarn may be produced which when used as arranged and operated to supply roving filling for a woven fabric will give to the during irregularly varying intervals to the fabric the uneven and irregular appearance rolls which act to continuously. Supply.yan. 40 of the rough pongee fabrics. In producing or roving to the spindles. Any suitable 95 a yarn to be used as a filling in the manufac mechanism may be employed for operating ture of fabric having the irregular and un the intermittently driven rolls which wii even appearance of rough pongee, it is im actuate the rolls at the irregular intervals portant that there should be a wide varia and during the varying periods, requisite 45 tion of the different lengths of fine yarn and for the production of yarn having the de 00 also a wide variation in the different lengths sired variations in the lengths of the differ of coarser yarn. It is also important there ent fine and coarser parts. should be a sufficient number of successive Further features of the invention contem variations in the lengths of each size to avoid plate the provision in a machine for Spin 50 the production of pattern repeats in the hing yarn or roying, of rolls for internit 105 fabric. The invention accordingly further tently feeding additional roving to the feed contemplates the provision of mechanism and drawing rolls which act to continually which is adapted to secure the numerous and draw roving and feed it to the twisting wide variations in the fine and coarser spindles. Broadly considered, these fea 55 lengths of yarn requisite for reproducing the tures are not limited to operating the addi 110 2. 928,830 lengths of time, is so constructed that the tional rolls at varying intervals and during periods during which the rolls are driven, varying periods. . . - and the periods during which the rolls re In adapting spinning or twisting ma main inactive, may vary widely, and is also chines for use in the manufacture of yarn to so constructed that the variations may con 70 be used in reproducing the appearance of tinue in an irregular manner through nu rough pongee fabrics, it is preferred to con merous periods without a repeat in the length trol the operation of the rolls for supplying of a period of action ol' inaction. Such form the additional roving by means of a Series of mechanism is of importance in securing of cams of varying length which are the numerous and wide variations in the 75 O brought successively into action at varying lengths of fine and coarse yarn requisite for intervals, and this construction constitutes a reproducing the appearance of rough pongee further feature of the invention. fabrics. In the construction shown, the The invention also includes certain fur periods during which the rolls 3 are driven ther features and combinations referred to are controlled by a series of cans 8 of vary 80 5 in the claims, the advantages of which will ing length carried by a chain 7, and ar be readily appreciated by those skilled in ranged at varying distances apart, so that the art. they are brought into action at varying in The various features of the invention will tervals. The driving mechanism for the be readily understood from the foregoing, rolls is so constructed and arranged that it is 20 and from an inspection of the accompany thrown into and out of action by the cams. ing drawings. The gearing for driving the rolls 3 is In the drawings Figure 1 is a front eleva clearly shown in Figs. 1 and 2. As here tion of so much of a spinning frame as is shown, the lower front roll 1 is driven necessary to illustrate the application of the through a gear 9 by the mechanism usually 90 25 present invention thereto; Fig. 2 is an end employed for driving the front rolls in spin elevation looking toward the left in Fig. 1; ning frames. A pinion 10 is secured to the Fig. 3 is an end elevation of the gearing at shaft of the front roll, and engages and the left-hand end of the frame for driving drives a large gear 11 which is mounted the middle rolls; Fig. 4 is a sectional eleva upon a stud 12 adjustably secured in the 30 tion through the feed rolls; and Fig. 5 is a upper end of an arm 13, the lower end of view showing the upper part of the cam which is pivotally supported upon the front chain which is not shown in Fig. 2. roll shaft. A pinion 14 is secured to the The spinning machine shown in the draw gear 11, and is arranged to engage and dis ing is a machine for spinning closely twisted 00 35 yarn, and commonly known as a spinning engage a gear 15 secured to the shaft which frame. This spinning frame is provide carries the lower rolls 3. The upper end of with three sets of rolls 12 and 3 which op the arm 13 is connected by a spring 16 with erate to supply the roving which is to be a fixed arm 17, so that the spring tends to spun. The roving delivered from between hold the arm 13 in such position that the 05 40 the front rolls 1 passes through a guide 5 gear 14 is disengaged from the gear 15. A and traveler 6, and is twisted by and wound sprocket wheel 18 is secured to the gear 11, upon the twisting spindle 4 in the usual and a sprocket chain passes over this wheel manner. The roving A from which the fine and over a large sprocket wheel 19. The yarn is spun is led to the middle rolls 2 and sprocket wheel 19 is mounted upon a shaft 0 . . 45 thence to the front rolls 1, and is drawn be 20 carried in the upper end of a frame 21, tWeen the rolls 1 and 2 to give the yarn the the lower end of which is pivotally supported desired predetermined size. An additional at 22. The shaft 20 also carries a second roving B is led through the rear rolls 3, and sprocket wheel 23 which engages and drives these rolls are rotated at predetermined and the cam chain 8 A stationary cam or abut 15 50 Varying intervals, and when rotated con ment 24 is arranged to be engaged by the tinue ill rotation for varying lengths of cams 7 as they pass around the sprocket time. During the periods, when the rolls 3 wheel 23. Through the gearing described, are rotated, the roving B is supplied to the the cam chain is slowly advanced during the middle rolls 2 with the roving A, and thus operation of the spinning frame, and the 120 55 increases the size of the roving drawn be cams carried by the chain are brought in tween the rolls 1 and 2, and correspondingly succession and at comparatively infrequent increases the size of the yarn being spun intervals into engagement with the fixed during this interval. When the rotation of abutment 24. When one of the cams en the rolls 3 ceases, the roving B is drawn gages the abutment 24 it acts to force the 60 apart at the bight of the rolls 2, so that the shaft 20 and sprocket wheel 19 carried there size of the yarn being spun is decreased, and by toward the right in Fig. 2, so that the a fine yarn is spun during the interval that arm 13 is also swung toward the right the rolls 3 remain stationary. against the tension of the spring 16, thus The mechanism for driving the rolls 3 at bringing the continuously runningpinion 14 SO 65 varying intervals, and during varying into engagement with the gear 15 on the 928,880 8 shaft of the rolls 3. The rolls 3 are now Plain or noil roving may be supplied to driven to supply the roving B to the rolls 2, either the feed rolls or to the rolls which and the driving of the rolls continues until feed the additional roving, and in case noil the calm 7 passes out of engagement with roving is supplied, irregular bunches will oc 5. the abutment 24 when the spring 16 acts to cur at irregular intervals in the yarn or 70 swing the arms 13 and 21 toward the left, roving being spun. The presence of these thus disengaging the pinion 14 from the irregularly distributed bunches along the gear 15 and arresting the rotation of the yarn will add to the rough and irregular rolls 3. The Supply of roving IB to the rolls appearance of the fabric in which the yarn O 2 now ceases, the roving breaking off close may be used as a filling, and Will give to the 75 to the bight of the rolls 2. The rolls 3 will fabric an appearance more closely re now remain out of action until another of Sembling the appearance of rough pongee the cams 7 engages the abutment 24, when fabrics. they will be again rotated, the length of While certain features of the invention 5 time during which they are rotated depend relate especially to the production of a yarn 83 ing upon the length of the cam 7. By pro or roving in which varying lengths of one viding the chain 7 with a number of cams of size alternate with varying lengths of a varying length, and spacing these cams at larger size, and the invention has therefore varying distances apart, the rolls 3 may be been specifically explained as applied to the 20 SO operated that any predetermined lengths production of such a yarn, certain features 85 of either fine or coarse yarn may be spun, of the invention relating more particularly and as wide variations in the lengths of dif to spinning mechanisms are not limited to ferent fine and coarse parts may be secured constructions adapted to spin such a yarn. as is desired. By varying the number of or roving. 25 calms carried by the chain and the length of Having explained the nature and object 90 the chain, any desired number of variations of the invention, and specially described in either the fine or coarse lengths of yarn. forms of mechanism in which the invention may be secured, and any desired length of may be embodied, what I claim is:- yarn may be spun without repeat. This 1. A machine of the character described, 3: mechanism not only enables a large amount having, in combination, a twisting spindle, 95 of yarn to be spun without repeat in the rolls. for feeding roving or yarn to the twist lengths and distribution of the fine and ing spindle, and mechanism for actuating coarse portions of the yarn, but is also of the rolls to continuously feed roving or yarn advantage in that it enables comparatively to the spindle and to increase the material long lengths of either fine or coarse yarn to fed to the spindle at irregularly recurring 100 35 be spun. intervals and during widely varying periods, In the spinning frame shown, the lower Substantially as described. middle rolls 2 are driven from the front roll 2. A machine of the character described, shaft through the gearing indicated in Fig. having, in combination, a twisting spindle, 40 3, the gearing being so proportioned that the feeding and drawing rolls, supplemental 05 middle rolls 2 are driven at a sufficiently rolls arranged to feed roving to the feeding slower speed to secure the desired amount of and drawing rolls, and mechanism for driv - draw between the front and middle rolls. ing said latter rolls at irregular intervals As shown, the lower front roll shaft is pro and during widely varying periods, sub 45 vided at its left-hand end with a pinion 25 stantially as described. 110 engaging a large gear 26 which is mounted 3. A machine of the character described, upon a stud 27. The gear 26 is connected having, in combination, a twisting spindle, with the pinion 27 which engages a gear 28 feed rolls for feeding yarn or roving con loosely mounted on the shaft of the lower tinuously to the spindle, a supplemental pair 50 rolls 3. This gear is connected with a pinion of rolls, and mechanism for actuating the 5 29, which is connected through an inter supplemental rolls to supply roving to the mediate gear 30 with a pinion 31 secured feed rolls during irregularly and widely to the shaft on which the lower middle rolls varying intervals, substantially as described. 2 are mounted. 4. A machine of the character described, 55 While the invention has been explained having, in combination, twisting mechanism, as applied to a spinning frame, it will be feed rolls for feeding yarn or roving to the understood that various features of the in twisting mechanism, supplemental rolls for vention may be embodied in other spinning feeding roving to the feed rolls, a cam car machines such as are used in spinning closely rier, a series of cams thereon of varying 60 twisted yarn, or such as are used in spin lengths and arranged at varying distances 125 ning loosely twisted yarn or roving. It will apart, and connections for controlling the also be understood that certain features of rotation of the supplemental rolls by the the invention lnay also be embodied in ma cams, substantially as described. chines such as are commonly known as twist 5. A machine of the character described, 65 ing frames, I having, in combination, a twisting spindle, 30 4. 928,830 feed rolls for feeding yarn or roving to the 8. A spinning machine, having, in combi spindle, supplemental rolls for feeding rov nation, a twisting spindle, feeding and draw ing to the feed rolls, and driving mechanism ing rolls for continuously drawing roving 30 for the Supplemental rolls including a series and feeding it to the spindle, supplementil 5 of controlling cams of varying length and rolls for feeding additional roving to the - mechanism for bringing the cams succes feeding and drawing rolls, and mechanism sively into action, substantially as described. for driving the supplemental rolls at varying 6. A machine of the character described, intervals and during varying periods, sub 35 having, in combination, a twisting spindle, stantially as described. feed rolls for feeding yarn or roving to the 9. A spinning machine, having, in combi O spindle, supplemental rolls for feeding rov nation, a twisting spindle, feeding and draw ing to the feed rolls, and driving mechanism ing rolls for continuously drawing roving for the supplemental rolls including a series and feeding it to the spindle, supplemental 40 of controlling devices of irregularly varying rolls for feeding additional roving to the 15 length for determining the periods during feeding and drawing rolls, a cam chain pro which the supplemental rolls are driven, sub vided with a series of cams of varying length stantially as described. arranged at varying distances apart, and 7. A spinning machine, having, in combi connections between the cam chain and sup 45 nation, a twisting spindle, a pair of feeding plemental rolls for controlling the rotation 20 rolls, a pair of drawing rolls, mechanism for of the supplemental rolls by the cams, sub continuously driving the respective pairs of stantially as described rolls at unequal speed, a third pair of rolls, In testimony whereof I affix my signature, and mechanism for intermittently driving in presence of two witnesses. the third pair of rolls to periodically supply WILLIAM P. WOOD. 25 : additional roving to the feed and drawing Witnesses: rolls during the spinning, substantially as A. T. BURNs, described. J. W. BAKER.

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