Manual date advance mechanism for a watch

Details Manual date advance mechanism for a watch Manual date advance mechanism for a watch

G - Physics

04

B

58/33

G04B 19/24 (2006.01) G04B 19/25 (2006.01)

Patent

CA 1131920

Pl72? MANUAL DATE ADVANCE MECHANISM FOR A WATCH ABSTRACT A lever actuated by a manual pushbutton for advancing the date ring of a calendar watch so as to correct for months having less than 31 days. A special date change lever incorporates a tab actuated by the pushbutton, a first integral spring portion for biasing the lever to a normal rest position, a second integral spring partion for biasing an arm with a tab against the teeth of the date ring for advancing the date ring.

354080

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