Wheelchair

Details Wheelchair Wheelchair

1987-03-27

1989-02-21

Bertsch, Richard A.

Motor vehicles

Power

Electric

180907, 280 99, 2802501, B60L 1118, B60K 100

Patent

active

048057126

ABSTRACT:
A wheelchair having four ground engaging wheels, two at the front and two at the rear, and four electric motors, one for each wheel, wherein each wheel is connected to a respective electric motor for driving the wheelchair and the front wheels are mounted on respective steering arms of a steering linkage driven by an electric actuator coupled to a track rod connecting the steering arms for steering the wheelchair.

REFERENCES:
patent: 3204791 (1965-09-01), Williams
patent: 3213957 (1965-10-01), Wrigley
patent: 3502166 (1970-03-01), Christenson et al.
patent: 3901337 (1975-08-01), Cragg
patent: 4089384 (1978-05-01), Ehrenberg
patent: 4119163 (1978-10-01), Ball
patent: 4455031 (1984-06-01), Hosaka
patent: 4476949 (1984-10-01), Patton
patent: 4512613 (1985-04-01), Nassiri
patent: 4633962 (1987-01-01), Cox et al.

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