Time correction mechanism for an analog timepiece using plastic

Details Time correction mechanism for an analog timepiece using plastic Time correction mechanism for an analog timepiece using plastic

1988-03-30

1989-08-01

Roskoski, Bernard

Horology: time measuring systems or devices

Regulating means

For setting

368 88, 368220, 368223, 368319, G04B 2702

Patent

active

048539090

ABSTRACT:
In a time-setting mechanism for an analog time-piece, when an operation member is moved in its axial direction, a pinion provided on the operation member is brought into mesh with a gear which is normally rotated in an interlocked relation to hands. When the operation member is turned in this state, the torque thereof is transmitted via the pinion and gear to the hands for time-setting. The pinion and gear are made of synthetic resins, and the pinion is made of a resin material having higher flexibility than the resin material of the gear.

REFERENCES:
patent: 3977275 (1976-08-01), Kiesewetter
patent: 4320481 (1982-03-01), Hofert
patent: 4636087 (1987-01-01), Suzuki
patent: 4711584 (1987-12-01), Tanazawa et al.

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