Drive system for wheelchairs or the like

Details Drive system for wheelchairs or the like Drive system for wheelchairs or the like

1993-04-19

1995-06-27

Focarino, Margaret A.

Motor vehicles

Power

Electric

180 656, 180907, 318138, 318139, B60K 700

Patent

active

054271932

ABSTRACT:
A drive system, suitable for use as a self propelled wheel on a wheelchair or the like, includes a wheel which rotates about a stationary axle assembly. The torque producing electrical motor and the batteries which supply power therefor are mounted on and rotate with the wheel. Command signals are optically coupled from the frame on which the stationary axle is supported to the rotating wheel where they are employed to control the rotational speed and direction of rotation.

REFERENCES:
patent: 3477536 (1969-11-01), Carini
patent: 3497026 (1970-02-01), Calvert
patent: 3908776 (1975-09-01), Dudley
patent: 4109741 (1978-08-01), Gabriel
patent: 4634941 (1987-01-01), Klimo
patent: 5186269 (1993-02-01), Avakian et al.
patent: 5274311 (1993-12-01), Littlejohn

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