Motor vehicles – Power – Electric
Patent
1994-04-15
1996-11-19
Johnson, Brian L.
Motor vehicles
Power
Electric
180907, 297DIG4, B60K 102
Patent
active
055753485
ABSTRACT:
A wheelchair includes a frame having first and second longitudinal sides connected by a bridge and a seat module carried by the frame. A first power drive assembly is disposed on the frame first longitudinal side. The first power drive assembly includes a first swing arm pivotally secured to the frame, a first motor mounted to the first swing arm and a first wheel operably connected to the first motor. A second power drive assembly is disposed on the frame second longitudinal side. The second power drive assembly includes a second swing arm pivotally secured to the frame, a second motor mounted to the second swing arm and a second wheel operably connected to the second motor. A first resiliently biased anti-tip assembly is secured to both the frame first longitudinal side and the first motor. A second resiliently biased anti-tip assembly is secured to both the frame second longitudinal side and the second motor. A power supply is mounted on the frame for powering the first and second motors.
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Curran Neal J.
Goertzen Gerold G.
Molnar James H.
Invacare Corporation
Johnson Brian L.
Yu Min
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