Spring drive device

Details Spring drive device Spring drive device

1986-06-04

1987-10-27

Hermann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

185 45, 446330, F03G 100

Patent

active

047023503

ABSTRACT:
A spring drive device in which a spring holder, a rotor and an output gear are all loosely mounted on a shaft. The spring holder is prevented from rotating and holds one end of a coil spring, the other end of which is held by the output gear. The rotor rotates together with the output gear but is limited in the angle through which it can rotate. The coil spring can be wound and thereafter provide motive power to the output gear.

REFERENCES:
patent: 1930450 (1933-10-01), Langos
patent: 3377740 (1968-04-01), Bonanno et al.
patent: 3393771 (1968-07-01), Lohr et al.
patent: 4456805 (1984-06-01), Jorgensen et al.

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