Pendulum device for battery-powered clockwork mechanism

Details Pendulum device for battery-powered clockwork mechanism Pendulum device for battery-powered clockwork mechanism

1975-11-06

1977-08-23

Jackmon, E. S.

58 53, 58129, G04B 3700, G04B 1700, G04B 3712

Patent

active

040431185

ABSTRACT:
A battery-powered clockwork mechanism and a separate pendulum unit which is detachably connected to the clockwork mechanism. When so connected the pendulum device is powered by the battery in the clockwork mechanism but operates as a "blind" pendulum which does not control or affect the time-keeping function of the clockwork mechanism.

REFERENCES:
patent: 3718842 (1973-02-01), Abbott et al.
patent: 3762154 (1973-10-01), Petrides

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