| 摘要 |
A wheelchair drive system (20) for use in association with a wheelchair is proposed, comprising a handle member (22) rotatably associated with a hub region (62) of a wheel of the wheelchair, the handle member (22) further including a hand grip region, a linear conversion system (24) for continuously transferring clockwise an counter-clockwise rotation of the handle member (22) into a rotation of the wheel, means for selecting a desired direction of rotation of the wheel, and seizure precluding means for precluding seizure of the hub region (62) of the wheel upon selection of an inappropriate direction of rotation of the wheel. <IMAGE> |
