Calendar ring driving wheel for timepieces

Details Calendar ring driving wheel for timepieces Calendar ring driving wheel for timepieces

1976-05-10

1977-12-06

Jackmon, E.S.

58 5, 58 855, G04B 1924, G04B 2700

Patent

active

040609766

ABSTRACT:
A timepiece having a toothed calendar ring and a driving wheel for advancing the calendar ring, wherein the driving wheel comprises a hub and a completely closed toothed rim having a driving tooth. The rim is connected to the hub by a resilient member so that the driving tooth makes way for a tooth of the calendar ring when the calendar ring is driven by means other than the driving wheel.

REFERENCES:
patent: 3732687 (1973-05-01), Miyasaka et al.
patent: 3744237 (1973-07-01), Muto
patent: 3789602 (1974-02-01), Nemoto

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