Timepiece construction

Details Timepiece construction Timepiece construction

1981-10-20

1985-01-29

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With significant casing or mounting support structure

368300, 368322, 368220, 368 76, G04B 0000

Patent

active

044962460

ABSTRACT:
A precision, reliable, analog timepiece uses plastic frame elements reinforced with metal, and plastic wheel and pinions pivoting in holes formed in the plastic of the frame elements. The plastic frame elements are separated into portions corresponding to the functional timepiece portions. Exposed areas of the reinforcing metal provide reference locations in molding the frame elements and for component mounting. The entire timepiece is assembled from one side of a base frame element.

REFERENCES:
patent: 3324646 (1967-06-01), Schneider
patent: 3397531 (1968-08-01), DuBois
patent: 4024677 (1977-05-01), Meister et al.
patent: 4027468 (1977-06-01), Felty
patent: 4127984 (1978-12-01), Ogihara et al.
patent: 4175374 (1979-11-01), Yoshizawa
patent: 4217753 (1980-08-01), Loretan
patent: 4234943 (1980-11-01), Teramoto et al.
patent: 4249251 (1981-02-01), Wuthrich
patent: 4250576 (1981-02-01), Sudler et al.

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