Oscillatory cam ratchet drive
United States Patent 2744413
US Patent References:
Unidirectional driving gear
- - 1710631
Winding mechanism for self-winding watches
- - 2645894
Unidirectional driving gear
- - 1710631
Winding mechanism for self-winding watches
- - 2645894
Inventors:
Emile, Schneider
Publication Date:
05/08/1956
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Assignee:
Horlogere, Porrentruy Soc DE.
Primary Class:
Other Classes:
968/50, 368/207, 74/142, 74/156, 74/125
International Classes:
G04B5/14; G04B5/00
Foreign References:
| CH142511A | ||||
| CH163058A | ||||
| CH166843A | ||||
| CH238539A | ||||
| CH268215A | ||||
| CH275861A |