Power source device

Details Power source device Power source device

2005-09-27

2011-12-27

Joyce, William C (Department: 3656)

Motors: spring, weight, or animal powered

Spring

With winding means

C074S625000, C290S00100C, C322S009000

Reexamination Certificate

active

08083032

ABSTRACT:
There is provided a power source device capable of obtaining power not only when springs or the like return but also when a handle for winding up the springs or the like are operated. The power source device comprises a main shaft connected to both the handle and a main power generation device, an auxiliary shaft connected to an auxiliary power generation device arranged side by side in parallel with the main shaft, the main spring and the auxiliary spring requiring less load to wind up than the main spring being installed between the main shaft and the auxiliary shaft via drums such that accumulation and release of elastic force of the springs are alternated on both shafts, wherein when the main shaft is normally rotated by the handle, elastic force accumulated in the auxiliary spring is applied in the direction of rotation of the main shaft as releasing force.

REFERENCES:
patent: 3573479 (1971-04-01), Rieth
patent: 3732949 (1973-05-01), Williams
patent: 3970939 (1976-07-01), Willis
patent: 5590741 (1997-01-01), Storms
patent: 5880532 (1999-03-01), Stopher
patent: 56-056144 (1981-05-01), None
patent: 03-032178 (1991-03-01), None
patent: 10-248208 (1998-09-01), None
patent: 2005-039987 (2005-02-01), None

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