Device for date indication

Details Device for date indication Device for date indication

2007-09-04

2007-09-04

Miska, Vit W. (Department: 2833)

Horology: time measuring systems or devices

With calendar indicator

Movable ring or disk

Reexamination Certificate

active

10937408

ABSTRACT:
A device for the date indication in a watch, with a digit disk and a decimal disk, which each include a sequence of figures or numbers and are arranged next to each other in parallel in such a manner that they overlap within the region of an indicating position and thus allow to represent a two digit number visible through a corresponding date window in the dial. The disk of larger diameter is a circular disk and the axis of rotation of the disk of smaller diameter is arranged within the outer peripheral contour of the disk of larger diameter. The device includes a digit programme wheel and a decimal programme wheel, which control via a digit pinion and a decimal pinion the switching operation of the digit disk and the decimal disk, and a programme drive wheel, which passes on the driving force onto the digit and decimal programme wheels.

REFERENCES:
patent: 3716983 (1973-02-01), Tanaka et al.
patent: 4257113 (1981-03-01), Meister et al.
patent: 5469410 (1995-11-01), Berney
patent: 6081483 (2000-06-01), Capt et al.
patent: 7031227 (2006-04-01), Huter
patent: 2002/0024887 (2002-02-01), Triponez
patent: 310 559 (1955-10-01), None
patent: 0 191 921 (1986-08-01), None
patent: 0 529 191 (1993-03-01), None

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