Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1991-11-07
1993-02-16
Mitchell, David M.
Motor vehicles
Steering by driving
Independently operable drive motors
180 656, 180385, 180907, 301 65, B62D 1102
Patent
active
051862697
ABSTRACT:
Apparatus which enables a foldable wheelchair to be retrofitted with an electrical propulsion system without significantly compromising the ability to fold the chair. The apparatus includes a drive unit for each wheel to be driven. The drive units can be mounted on the stationary axles of the driven wheels and apply torque, generated by a separate motor in each drive unit, to the wheels at a plurality of symmetrically located points which are radially displaced from the axles.
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Avakian Emik A.
Masi James V.
Avakian Emik A.
Mar Michael
Mitchell David M.
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