Calendar

Details Calendar Calendar

1983-04-04

1984-11-27

Mancene, Gene

Card, picture, or sign exhibiting

Calendars

40109, G09D 300

Patent

active

044844026

ABSTRACT:
A perpetual calendar possessing the ability to display any date, past, present or future, in a finite range, and the day of the week for that particular date without prior knowledge or calculation, includes individually gear driven indicia belts for composing month and year dates and another indicia belt which is simultaneously gear driven with the movement of any one of the aforesaid indicia belts. A single drive gear for the aforesaid individually gear driven indicia belts is shiftable into driving engagement with a selected indicia belt by linear movement of a sliding indicator on the top panel of the calendar housing. The drive shaft for the single shiftable drive gear is turned by an external knob on one side of the calendar housing.

REFERENCES:
patent: 1670316 (1928-05-01), Schlusing
patent: 1762753 (1930-06-01), Aronson
patent: 2029843 (1935-02-01), Toppin
patent: 3316668 (1967-05-01), Rogers
patent: 4216596 (1980-08-01), Brown
patent: 4381614 (1983-05-01), Kebe

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