Wheelchair drive assembly

Details Wheelchair drive assembly Wheelchair drive assembly

A - Human Necessities

61

G

180/38, 155/14.2

A61G 5/04 (2006.01)

Patent

CA 2035743

ABSTRACT OF THE DISCLOSURE A motorized wheelchair rear wheel drive assembly is selectively engageable and disengageable by an occupant to permit the wheelchair to be used in either a motorized mode or an occupant self propelled mode. For each rear wheel a drive motor connects through an axially extending worm gear assembly and rear drive axle to a drive hub. The drive hub is positioned outside of the rear wheel and supports a control handle which in turn controls a pair of locking pins which selectively engage the drive hub or disengage the drive hub from the rear wheel. The drive assembly enables the wheelchair to be folded to a laterally more compact condition.

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