US1578374A - Perpetual calendar - Google Patents

Description

` March 30 1926.

1,578,314 F. SCHUL-rz PERPETUAL 'CALENDAR Fved July 5, 1925 vParental Mar'. so, 192e,

rmnDnIcHscHULTz, or GLAUC'HAU, GERMANY.

rERrnTUALcALr-.NDARB Application linea muy `s, 1925,.. sriaiiro. 41,415.

To ZZ/071.01m t may concern.' Y Be it'known thatI, FRIEDRICH Sci-IULTZ,

a German citizen, and residing at Glauchau, Germany, have invented certain new and 5 vuseful Improvements in a Perpetual Calendar,

tion.

cular fashion like on a dial of a. clock, a turnable hand being pivoted to the cent-re of said circular arrangement and adapted to bel adj usted with its point to any one of said dates, while on a concentric turnable circular' ring the names of the consecutive week days` are indicated and above said ring Va vtui-liable disc with the Vnames of the consecutive months thereon is located and covered by 'a with suspension-eyes b. On said-plate' a turnable circular ring c is guidedbetween circular guides (l and subdivided'by partition lines e into a plurality of fields f having the names of the consecutive week days written thereon, i. e. Sunday, Monday,

Tuesday, Vl/vednesday,` Thursday, Friday,

Saturday, again Sunday, and so on; the

colour.v

The circular ring c carries a small pm y or the like for its being easily turned, and

it is partly covered by af coverh integral the naines ofthe week days'become visibl By stayslg said cover k is connected wit the middle disc Z, which at itsouter edge r is provided with the same partition lin m as the circular ring c. The vfields n, there'A of which the following is a specifica'-,

This invention relates to an improved per Y petual calendar, in which the numerals forl the dates of ay month are arranged in cira stationary disc having a recess therein for presenting therein always one name of a coveringsaid tur-nable disc thenaine of the turnably located between the base plate a kand coverv z. on a pivot w so as to freely vSundays being as usual written inv red r with the base plate a, said cover having' l sectorlike recesses z' therein through .wliich'tcircular ring partly covered by? aid and'havingthe uncovered: names o the'conby produced carry *the consecutive numerf als 1 torl representing the dates of a month. By so adJusting the circular ring c that the numeral-1 indicates the irst day of a month, |55r Y",

all further dates, for this month are fixed. Totlie centre of the disc Z a revoluble'hand jo ispivotedd and adapted to be adjusted soas to point upon theactu'al date to be indi f cated.

Above said disc Z another disc 79 is turii Y ablyarranged and` subdivided into twelvel equal fields Q, which are provided with the jf l` naines of the consecutive months: January to December. Beneath each name of a month the numbervof days of said month' may be indicated.V Said disc phas'a ratchet/fv like circumference located within the path ofl thefrevoluble hand V0 and comprising twelve teeth?1 (Fig. 3)' permitting' ofthe disc be- 70 ing turned in one'direction only. Uponltlie hand being turned inv clockwise direction from thenumeral 31 to 1, i. e. its position` being changed ,from the end of one monthV to the `,beginning of another month, l`it strikes against lone tooth. rnof said` disc 29 and advances the latter Yfor onel toothso tliatrin `the recess s of a stationary disc next month becomes visible; said stationary disc t being integralr withl the coverfh of` the arrangement. Y l l Referring to Fig. 4 :The disc a containing the namesof the consecutive months ishere project somewhat beyond the top eridof the arrangement Vwhereit can be turned .fronr'- hand, a recess s" in said cover always making one'name of a month Visib-le therein. 9p

,"/Vhat I claimis:` n 'f y In a perpetual calendar, theV combination with a .base plate, an integral `cover for' the same having a recess therein and'on 95 which the numerals for the datesk of v,a month are arranged in circular fashion, a turna'blel cover secutivefweek days Written thereo areV-l 166 olublehand pivoted to the'cen V`off the circul arrangement of then-miera1sand-- adapted to be adjusted ,to any-Oneplof Said dates, and a turna-ble disc With the namesof the consecutive months thereon arranged underneath seid cover of which the receso mentioned presents always the'name of one 5 month only;'of a ratchetlike circuInference Wth'twelve ceetl'l onl said disc located Within the 'path of said revoluble hand whereby l FRIEDRICH SCHULTZ.

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