Drive mechanisms for invalid carriages

Details Drive mechanisms for invalid carriages Drive mechanisms for invalid carriages

F - Mech Eng,Light,Heat,Weapons

16

H

180/37, 74/59

F16H 19/00 (2006.01) A61G 5/04 (2006.01) B60B 27/04 (2006.01) B60B 37/10 (2006.01)

Patent

CA 1195143

ABSTRACT OF THE DISCLOSURE A drive mechanism for wheelchairs comprises a drive member and a driven wheel hub member journalled on the drive member for rotation about an axis. The drive and driven members each have axial grooves, the grooves in the drive member and the driven member being adapted to be aligned thereby to define axial keyways. A clutch member is rotatably mounted on the drive member and provides axially extending keys. The clutch is movable between an engaged position in which the keys are inserted into the keyways and a disengaged position in which the keys are removed from the keyways.

419963

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