Electrically powered timepiece

Details Electrically powered timepiece Electrically powered timepiece

1973-10-02

1976-08-03

Weldon, Ulysses

58 23R, 58 4A, G04B 2708

Patent

active

039721787

ABSTRACT:
An electrically powered time-piece includes at least a minute hand and an ur hand, a high precision time standard and a motor controlled by the time standard. A positive kinematic mechanism connects the motor to the minute hand arbor and a non-positive kinematic mechanism connects the minute hand arbor to the hour hand pipe, thereby permitting the user to set the hour hand only.

REFERENCES:
patent: 1146351 (1915-07-01), Schlesinger
patent: 3538703 (1970-11-01), Walton
patent: 3540207 (1970-11-01), Keeler
patent: 3668861 (1972-06-01), Mitsui
patent: 3693344 (1972-09-01), Cleusix
patent: 3695035 (1972-10-01), Cleusix
patent: 3710567 (1973-01-01), Cleusix
patent: 3802180 (1974-04-01), Boudry

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