Watch movement

Details Watch movement Watch movement

1977-02-01

1979-01-02

Schaefer, Robert K.

58 82R, 58140R, G04B 1924

Patent

active

041320611

ABSTRACT:
An extra-thin manually or automatically wound watch movement in which at least one wheel is pivoted in an overhang position by means of a single-race miniaturized ball bearing.

REFERENCES:
patent: 1907792 (1933-05-01), Greenleaf
patent: 2559461 (1951-07-01), Pichette
patent: 2789413 (1957-04-01), Cachelin
patent: 2867971 (1959-01-01), Bertsch et al.
patent: 3375654 (1968-04-01), Jeanmonod
patent: 3517500 (1970-06-01), Giger
patent: 3945197 (1976-03-01), Erard

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