Calendar watch movement

Details Calendar watch movement Calendar watch movement

1977-05-31

1979-10-23

Jackmon, Edith S.

40111, 40113, 58 5, 58125B, G04B 1924, G04B 1902, G09D 306, G09D 308

Patent

active

041716108

ABSTRACT:
Driving mechanism for a calendar watch mechanism including indicia of day and date, a display window and means to advance said day and date indicia to said window, characterized by a calendar wheel which makes one revolution each 24 hours, a drive element on that wheel, a rapid advance member, a cocking element, the rapid advance member being elastically acted on and having a ramp which cooperates with the cocking element to control the rotation of the calendar wheel.

REFERENCES:
patent: 3789602 (1974-02-01), Nemoto
patent: 3859783 (1975-01-01), Wuthrich
patent: 3882669 (1975-05-01), Jakob

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