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Home , Calendar era, Perpetual calendar

March 11, 1952 E. L. BAUER 2,588,795 PERPETUAL Filed March 1, 1949 2 SHEETS-SHEET l

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INVENTOR. Aawaaa Z. aae/ae, BY 22.2%402%zá2zzzzzzzz 1776eMMa Y.S. Patented Mar. 11, 1952 2,588,795 PATENT OFFICE 2,588,795. PERPETUAL CALENDAR Edward L. Bauer, Austin,Tex. Application March 1, 1949, serial No. 78,917 2 Claims. 1 (C. 40-107) This invention relates to annular , and 2 more particularly to a perpetual or cyclic calen through 9 to zero on the faces thereof adjacent dar, including an index whereby the annual the back side of the plate f3; and are so positioned calendar for any in the Christian can that the numbers of these series are in alignment be selected. - 5 with the apertures 5 to fs inclusive. The discs It is among the objects of the invention to project a slight amount abové the top edge of the provide a perpetual calendar assembly of highly plate, so that they may be easily rotated to firing simplified construction including a set of annual desired numbers of the respective or year calendar sheets and a simplified index alignment with the corresponding ap whereby the proper calendar sheet for any de ity to 8 inclusive, to provide across the sired year can be quickly and easily selected, back plate a series of numerals indicating the wherein the year sheets carry means for quickly E.is set: of the Christian Era for which the calendar and easily converting them from regular year to An extension 27 of t-shaped cross calendars, which calendar assembly is provided along theside edges and the bot structurally simple and durable, convenient to 5. of the back plate 13 to provide, along use and store, extremely economical in construc bottom edges of the support, grooves tion, and which is particularly adapted for the marginal portions of the year calend - - display of advertising material thereon. the index sheet along the side and bottomed Other objects and advantages will become ap of the latter. parent from a consideration of the following de 20 The year sheets and the index sheet are sh Scription and the appended claims in conjunction than the support plate f3 by an amount suffi with the accompanying drawings, wherein: to expose the apertures. F5 to 18 inclusive Figure. 1 is a perspective, exploded view of a the upper ends of these sheets when the sheetsar perpetual calendar assembly illustrative of thein mounted in the grooves provided by the exten vention, showing one of a set of year calendar 28 sion 27, and the extension preferably terminates sheetsFigure in 2front is a fragmentaryelevation; cross-section on- the- - - - below the top edge of the back plate f3 so that line 2-2 of Figure 1; ------of the back plate have a length substantially e Figure 3 is a front elevation of an index sheet to the length of the calendar sheets f, and in constituting a component of the perpetual calens' 30 dar assembly; and ------sheet. 2: ------Figure 4 is a fragmentary front elevation of a Each year calendar sheet has year calendar sheet showing means for convert ing such sheet from a regular year to a leap year calendar. With continued reference to the drawings; the 35 perpetual calendar comprises, in general, a rec days of the , and the ren w - --- tangular support 0, a set it of seven rectangu dar on each sheet is correlated to the of thie lar year calendar sheets, and a rectangular index week on which the first day of the year ot sheet 2 of Substantially the same size and shape As there are seven days in the week, as the year sheets, and particularly illustrated in 40 seven year calendar sheets takes careo. Figure 3. possible variations in the annual calen dars The support includes a flat, rectangular back different with the exception of leap year plate 3 of suitable material, such as metal, wood, In order to render the year calendar'sheets con paper, synthetic resin plastic, etcetera. This vertible from ordinary year to leap plate is provided near each upper corner with re 45 dars, extra calendars for them spective-apertures 4 by means of which the sup January and February are inc port can be hung on nails or pegs to support the at 28 and 29 on Figure 1. - - - - - calendar, and is provided near its upper edge with each calendar sheet, at the oppositesic four additional apertures 5, 6, 7 and 8 ar January and February rectangles and ret ranged in spaced-apart relationship transversely 50 lar covers 30 of the same size a of the plate. Respective circular discs 19, 20, 2 month calendar rectangles, are also provic and 22 are disposed against the back side of plate The slots 3 are preferably provided substantially at the mid-height locations of then orith caller 3, or in circular recesses provided in the back side dar rectangles, and the cove) - of the plate and are rotatably connected to the 55 plate by respective connecting means, such as the throughtheir ends the with slots tabs at the 32 opposite which maysides beof almoninserted pins or rivets 23, 24, 25 and 26. calendar rectangle which it is desired to obscure: The discs 9 to 22 inclusive are each provided During a regular year, the leap year rectangles with a circular series of numbers running from 1 for January and February will be covered, and 2,588,796 3. 4. during a leap year the regular year rectangles for this letter indicates the calendar sheet corre January and February will be covered, leaving sponding to the fist year of the . the leap year rectangles exposed. Subsequent years follow consecutively in the A rectangular is left at the bottom of vertical column in which this special letter is included. the center row of month calendar rectangles On The index sheet 2 also has an index tab 39 each calendar sheet it, as indicated at 33, which bearing the word “Index' so that the index space may be used for displaying advertising ma sheet may be easily located in the Support, and terial and, if desired, advertising material may be all of the index tabs are located at selected posi displayed on one or both sides of the covers 30. tions along the top edges of the index and cal The index sheet 2, as particularly illustrated 0 endar sheets, so that they may be placed in Sub in Figure 3, contains three groups or rectangles stantially non-overlapping relationship in the of indicia, as indicated at 34, 35 and 36, and has Support, as is clearly illustrated in Figure i. along one side edge a longitudinally-extending The invention may be embodied in other Spe space 37 to carry directions or instructions for cific forms without departing from the Spirit Or the use of the calendar. 5 The indicia rectangle 34 contains five vertical essential characteristics thereof. The columns of eight horizontal each, and in embodiment is, therefore, to be considered in all these spaces are indicated century numbers from respects as illustrative and not restrictive, the the first century to the thirty-third century of scope of the invention being indicated by the the Christian Era, the century thirty-three 20 appended claims rather than by the foregoing hundred being arbitrarily selected, as the calen description, and all changes which conne Within dar may be terminated at any desired century. the meaning and range of equivalency of the The rectangle 36 is disposed directly below claims are, therefore, intended to be embraced the rectangle 34, and contains five columns therein. which are in vertical alignment, respectively, 25 What is claimed is: with the five columns of the rectangle 34. The 1. A calenaar Sheet having thereon twelve five columns in the rectangle 36 are divided into regular year month calendars and two extra twenty-nine horizontal spaces and each of these month caiendars for January and February of spaces carries one of a series of Seven key letters leap years, the month calendal's being in the or symbols in an arrangement which will be 30 form of rectangles, the month calendarS for later explained. The series of key letters or January and February of regular and leap years symbols may comprise the first seven letters of being formed With slotS along Opposite sides the alphabet, or any other Series arbitrarily thereof, and two rectangular cover sheets for the Selected for advertising or other purpoSeS. last-mentioned month calendar rectangles, said The rectangle 35 is laterally aligned with rec 35 cover sheets having tabs on opposite sides there tangle 36, and contains four Vertical columns of removably insertable in the slots of the last divided into twenty-nine horizontal Spaces which mentioned calendar month rectangies to cover are respectively in alignment with the horizontal the leap year January and February rectangies spaces of the rectangle 36. The Spaces in the during a leap year and to cover the regular rectangle 35 contain a series of consecutive nun 40 January and February rectangles during a leap bers from through 99, representing the years year. of a century, these numbers beginning in the 2. A calendar sheet having thereon regular horizontal space from the top of the rec year month calendar rectangles for January and tangle 35. The top space of this rectangle is February and leap year month calendar rec used for the even century years. 5 tangles for January and February, and two rec As the calendar operates on a 7-year cycle, tangular cover sheets for said rectangles, and the number of horizontal Spaces in the Wertical means for renovably and Selectively Securing columns of rectangle 35 in an even multiple of said cover sheets over the January and February seven, the number twenty-eight, or four- rectangles whereby the regular year January seven, as having been selected as providing a and February rectangles can be covered during calendar of convenient Size and shape. a leap year and the leap year January and Feb With the numbers of the years of a century ruary rectangles exposed and the leap year Jan thus more-or-less arbitrarily set up in rectangle uary and February rectangles can be covered 35, and with the letters or symbols of the Series and the regular year January and February rec of key letters or symbols respectively inscribed 55 tangles exposed during a regular year. on the index tabs 38 of the calendar sheets , EDWARD. BAUER. it is now possible to take a known annual cal endar, find the horizontal space in rectangle REFERENCES CEO 36, in lateral alignment with the Space con The following references are of record in the taining the year of the known calendar, Select i: file of this patent: a vertical column in rectangle 36, and there in UNITED STATES PATENTS scribe the letter or symbol indicating the proper calendar sheet and to then follow this vertical Number Name Date column up into rectangle 34, and in one of the 424,356 Romaine ------Mar. 25, 1890 horizontal spaces in this vertical column of rec ...} 1,219,173 Sellers ------Mar. 13, 1917 tangle 34, inscribe the proper century. From 1,266,499 Leckey ------May 14, 1918 this initial point the index may be continued 1,507,345 Doyle ------Sept. 2, 1924 both forwardly and backwardly until completed 1,668,280 Maschmann ------May 1, 1928 for the desired range of the Calendar. 2,523,206 Fluette ------Sept. 19, 1950 One of the letters or symbols at the top of 70 FOREIGN PATENTS rectangle 36 is distinguished in Some manner, as by placing a circle around it or printing it Number Country Date in a different color from the other letters, and 512,386 Great Britain ------Sept. 1, 1939