Patent ID: 8011680
Filing Date: 2011-09-06
Classification: A61G,B60G

Abstract:
1. In a wheelchair having relatively large rear wheels and at least two spaced apart longitudinal frame members located below a seat thereof, the longitudinal members disposed at substantially equivalent elevation relative to a centerline passing through hubs of the rear wheels thereof, the improvement comprising a suspension member mounted to the at least two spaced apart longitudinal frame members, the suspension member comprising a mounting assembly mounted to the at least two spaced apart longitudinal frame members, the suspension member further comprising upper and lower leaf spring members retained to the mounting assembly, each of the upper and lower leaf spring members having opposing first and second ends, the first end of the upper leaf spring member hinged to an upper end of a first axle receiving member, the first end of the lower leaf spring member hinged to a lower end of the first axle receiving member, the second end of the upper leaf spring member hinged to an upper end of a second axle receiving member, the second end of the lower leaf spring member hinged to a lower end of the second axle receiving member, each axle receiving member receiving an axle of a wheel hub of one of the large rear wheels, fasteners retaining the upper leaf spring and the lower leaf spring to the mounting assembly of the suspension member, the mounting assembly substantially shorter than either of the leaf spring members.