Wheelchair wheel winder
OwnerSimon S. MCNALLYinventor
Life of this patent
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Abstract
A manual wheelchair propulsion device (FIGS. 5, 6 & 7), attached to wheelchairs through the axles of the rear wheels (FIGS. 14, 15, 16 & 17), attached through the wheel winder unit with a quick release head with ball Joint to lock in position (FIGS. 1, 2) to an adaptable socket either manufactured into the axle of the wheelchair wheel or attached rigidly with supports later (FIGS. 14, 15 & 17) with a retractable arm (FIGS. 5 & 6) with eight gears and one neutral (FIGS. 3, 12 & 13) used in a circular motion to manually propel ones self.
Claims3
A wheelchair comprising a large wheel mounted on an axis and a wheelchair retractable detachable hand pedal with gears, wherein the hand pedal comprises an arm with a handle at its end which extends and retracts back into the arm to the users preferred location.
Dependencies are inferred from the claim text.