Mechanism for self-wind watches

Details Mechanism for self-wind watches Mechanism for self-wind watches

1978-12-13

1979-11-20

Jackmon, Edith S.

58 46R, G04B 502, G04B 702

Patent

active

041746074

ABSTRACT:
In an automatic winding mechanism for a wristwatch, the motion of the oscillating off-center rotor is transmitted to a ratchet wheel which drives a planetary reduction gear winding the mainspring, by means of an improved single piece rocking arm. The rocking arm is made from a single stamping and includes spring loaded pawls, tabs to support it in place, and a spring clip retaining the off-center rotor in its bushing.

REFERENCES:
patent: 2928231 (1960-03-01), Murrie

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