Battery holder for electronic wrist watch

Details Battery holder for electronic wrist watch Battery holder for electronic wrist watch

1980-08-04

1982-12-07

Roskoski, Bernard

Horology: time measuring systems or devices

Power supply details

368 88, B32B 0000

Patent

active

043623964

ABSTRACT:
A battery is placed in a recess in the plate of an electronic wrist watch movement. The battery cover presses against a spring contact fixed to a plate bearing a printed circuit. An insulating sheet insulates the battery from an inner flange of the movement plate. Disposed on the bottom of the battery casing is a pressure bracket having arms which resiliently grip the sidewall of the casing. Resilient radial tongues of the bracket are bent so as to be in contact with the back of the watch case which presses against the assembly at the time of casing-up so as to hold the battery in place. The connection to ground is established by a contact part and a screw, as well as by the contact between the battery casing and the movement plate and via the back of the watch case.

REFERENCES:
patent: 3992870 (1976-11-01), Dekel
patent: 4051665 (1977-10-01), Arn
patent: 4065710 (1977-12-01), Zytka
patent: 4068464 (1978-01-01), Barnett et al.
patent: 4073132 (1978-02-01), Fohlich
patent: 4107400 (1978-08-01), Grohoski
patent: 4232512 (1980-11-01), Yoshikawa
patent: 4251604 (1981-02-01), Umemoto

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