US1774864A - Perpetual calendar - Google Patents

Description

Sept. 2, 1930. E. ZINN PERPETUAL CALENDAR Filed Oct. 8, 1929 g IERPBTUALYCALENDAB,.

" Application. filed October 8, 19 29.

- The object ofjtheinventionis uo-provide} an inexpensive perpetual'j-nalendar =which may be made of light, material such; as cardboard; the movable elements being connected "by a single fastening-{which serves as a of advertising matter in The device will be described with'reii'erence to the accompanying drawing, which- I Figure l'is aplanviewofan embodiment" of the invention, and k Referring one to thirty-one.) Pivoted upon .the body, member 1 "is the day name annulus. {On'member 3is printed inannular. formation, with sections bounded by radial lines, the' days of the weekj suceessively over a "period of thirty one days] or I 3 more; If "desired,' the day numberannulus may be fixed andltheday-name ainjiulusrotatable,-itonly being necessary. to secure'rela I V I i .tTue, i. e.,"Tuesday,- come into'registerwith 1; the numerall-atb.

tive movement between the'two.

p The pivotmember is apron-ged fastener:4

xtending through the body member, and

1 having itsprongsbent againstthe samelSTIhe; 7 fastener also pivotallysupports the month disk5, on;which isfprinted a -plurality:of ra-. diallines, the twelve spaces between the lines Q havingprintedthereon, atthetop, the namesof theftwelve months.

appears a-legend indicating thenumber of} I p 'the drawing, the front-plate'at its loWer'mar- I days in-thatmonth. Q a

for a pointer 6jwhich yi-n 'th'e pres ent embodi-T ment, is formed of a folded strip, so that two arms are provided, thesearms embracingand f I g V g V v :claim andjdesiretofsecurebyIietters'Patent i;

being in frictional contact wi'ththegmonth disk, as'shown: in Fig.2.

I Q 1 The body member maybe EnwARnzirnv, or l xinwionkgflw v; 1

-, The operation of the calendar as follows :j-

tionofth'efmonthf-as for;examplepSeptem-a; .2

for ezx anriple, Sunday, is*placed ,in registeron an oflice desk, for example, at, the begin.- a V I .7 V ning ofeach day, or at the close of; the pre- 11.: v Figure 2;isa'seetionalelevation' on the line ceding day, the pointer is moved, still "fricjr' 7 1}; I f 'tionallyengaging' the month "disk, one posie I, to the drawings, it will be seen a 7 that the embodiment therein shown comprises. amain body-member 1 of cardboard or the like. Formed-integrally therewith, or separatelyif desired,isa day-number annulus 2, having printed thereonf wifthin sections bounded by radial 'lines the 'day numberslreading isterwith 2, andjthis'operation. is f-ollowed I I imonth disk are thenmoved"relatively.-so.that

' may be noted that the 30th of September-was? rangement ofthe elements herein shown and V J 1 describedwithout departing from the spirit I V of theinvention, for example, the front iplate'f: I.

Below 1 each month" astener' 4: also serves as afpivot' memberf s mi No; 338,11 i

E5551 supportinglmeaiis, treat that V by-means-of which the device, n1ay...bej hung;

th? e i n n war h; h W l i-6 71 l SWun -5intQ-1s c wpesi ntha its innermpst c. end; liesin register with the printed tind'ilcw. I f

ib rFi i- 1 li' id ym me nnu u Wi be i'e edrunt l he-app opr ay-na eless. with the pointerat the vileft-handf1ower,,errd, '1 1 l 'a's sh'ownj ing-Eig; .1;; If-the calendar is used tion, i; e., untilthevoutermost end lies in reguntilQas; shown-by the registration 0f"the: I I pointer with the month disk, the -thirty;days. 1 of September have"passed-. The pointer and the" innermost end of the pointer 'comesinto' a registrationwith'October,"which haspthirty 7 one days, Before moving, the pointer; it- 1 5.

Monday, this being shownby' the outermost" end of the p'ointer'latthe closed-the month in register with'section wyEig'. 1. Afterthe 7 required" relative 1 vem,ent of pointer and iij. f V i month disk, it is "only necessary to" move the day-name annulus "so' that -the indication-"- QItwill be understood 'that, variousmodifi} v cations may. be made of the form an'd-ar- 7"m'ay be om'ittedif desired. -A1s0;,when ?0 used, it be secured to the body member I I 1 below dotted line C by glue ori'staples. In

In a. device of ti fharm r} described; 2 i."

a day number memberbearing numbers 1 to 31 in annular arrangement, a day-name member bearing the name of each day of a succession of weeks, in annular arrangement, 1 means for'securing relative movement betweenthe day-number and day-name mem- Y bers, a rotatable month-annulus bearing the name of each of the twelvemonthsv and the number of days of each, anda pointer-having 19 one section adapted to lie in register with the 1 day-name member, and a second section V gdeltxpted to lie 'i njregister with the 'month 1s I h i 2. A device constructed in accordance with 5 claim 1 in which the monthrdisk and pointer are so related that .movement of the latter a I carries'withit the month disk. Q a 3. A device'constructed in accordancewith claim 1 in whichithepointer, month disk and 20 day-namemember are secured to the daynumbermember by a common axial'support. 4. Afldei ice constructedin accordance with ,"claim 1 inwhich the pointer isformed with "arms which embrace the month disk and. en- 25' ga e the latter with frictional contact. u in testimony whereof, I have signed my i'ia'meto this specification; Y

' r EDWARD ZINN.

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