Driving device for mechanical timepiece movements

Details Driving device for mechanical timepiece movements Driving device for mechanical timepiece movements

1975-09-23

1976-08-17

Weldon, Ulysses

58 59, G04B 116

Patent

active

039746399

ABSTRACT:
This invention relates to a driving device for mechanical timepiece movements, the device comprising a barrel-drum, a barrel-bridge, an arbor coaxial with the drum and pivoting in the bridge, a toothed ratchet-wheel secured to the arbor and disposed adjacent to the bridge, and a one-piece click comprising a rigid portion rotatable about the arbor between a locking position and an unlocking position, a resilient arm, and a beak disposed at a free end of the arm, the beak being adapted for engagement in the toothing of the ratchet-wheel.

REFERENCES:
patent: 1376078 (1921-04-01), Carlstrom
patent: 1467427 (1923-09-01), Freund
patent: 3673791 (1972-07-01), Zaugg

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