Powered wheelchair with a detachable power drive assembly

Details Powered wheelchair with a detachable power drive assembly Powered wheelchair with a detachable power drive assembly

A - Human Necessities

61

G

A61G 5/04 (2006.01) B60G 11/107 (2006.01) B60G 17/02 (2006.01) B60K 1/00 (2006.01) B60K 5/10 (2006.01) B62D 37/00 (2006.01) B62D 61/12 (2006.01) F16F 1/22 (2006.01) F16F 1/368 (2006.01) A61G 5/10 (2006.01)

Patent

CA 2137246

A wheelchair (20) including a wheelchair frame (22) and a seat assembly (24) carried by the wheelchair frame (22). A detachable power drive assembly (32) having power driven wheels (40, 40') is releasably coupled to the wheelchair frame (22) and is mounted for selective removal of the drive assembly (32) as a unit from the wheelchair frame (22). Wheel mounting ports (76, 76') are also provided in the wheelchair frame (22) for releasably receiving a pair of manually-operable drive wheels (34, 34'). An anti-tip suspension (80) is also provided and includes a suspension arm (84) which is mounted to resist rearward tipping of the wheel-chair by a non-linear restoring force. A wheel lock (108) is mounted for movement between a deployed operable position and a stored inoperable position. In the deployed position, the wheel lock (108) extends laterally outwardly of the wheelchair frame (22) for engagement with and braking of manually operable drive wheels (34, 34').

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