Battery operated electric clock with improved casing

Details Battery operated electric clock with improved casing Battery operated electric clock with improved casing

1977-02-15

1978-10-24

Jackmon, Edith S.

58 23R, 58 38R, 58 53, G04C 2116, G04C 300, G04B 3700

Patent

active

041214137

ABSTRACT:
An improved rectangular casing is provided in three parts for a quartz-crystal electric clock. A middle portion of the casing holds the mechanical and electrical portions of the clockwork and the dial. A front portion of the casing holds a sight glass over the dial and engages the middle portion. A rear portion of the casing engages the middle portion. When the rear portion is removed, conductors on a printed circuit board which carries the clockwork are exposed, as well as a battery chamber.

REFERENCES:
patent: 3945192 (1976-03-01), Wolber
patent: 3977177 (1976-08-01), Egger

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