Battery operated clock

Details Battery operated clock Battery operated clock

1979-08-22

1981-06-30

Weldon, Ulysses

Horology: time measuring systems or devices

Cases

With movement securing means

368204, 368276, G04B 3700

Patent

active

042766346

ABSTRACT:
A clock is disclosed comprising a housing which includes mounts for supporting clockhands, and a clockwork for driving the hands. The clock also includes a motor, an electronic circuitry for conducting electrical power to the motor, and a circuit board. The motor includes a coil, a stator, and a rotor. The circuit board includes means for carrying the electronic circuitry, coil and stator externally of the housing to form a pre-assembled module which can be pushed into the housing into contact with respective retaining parts on the housing.

REFERENCES:
patent: 2912481 (1959-11-01), Backus et al.
patent: 3981139 (1976-09-01), Jackle
patent: 4121413 (1978-10-01), Kissinger et al.
patent: 4175374 (1979-11-01), Yoshizawa

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