Title:
Prime mover for wheel chairs
United States Patent 2993550
US Patent References:
Clamp
- - 1408933

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- - 2037526

Electric switch
- - 2453498

Two-hand control
- - 2473167

Electric motor drive and control for wheel chairs
- - 2482203


Inventors:
Klappert, Richard H.
Publication Date:
07/25/1961
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Assignee:
Aidco
Primary Class:
180/15
Other Classes:
200/16R, 74/480R, 180/65.100, 180/907, 180/333
International Classes:
A61G5/04; B60K1/04; A61G5/00
US Patent References:
2495573Motor attachment for wheel chairs
2544831Electrically propelled wheel chair
2586273Electrically driven hospital chair
2628051Adjustable support
2660902Dual control mechanism
2710659Wheel chair and tractor combination
2800189Riding attachment for power mowers