Wheel chair frame has frame parts supporting seat surface and perforated plate, with free swinging part, cross struts joining left and right sides

摘要

Steering (3) and drive wheels (2) are positioned on each side of the frame (1). The frame at least partly forms the support for the seat surface (9) which is supported by a free-swinging frame-part (7). The wheel chair frame consists of a left and right hand side part (5) joined by cross-struts (6). The left and right side part holding the drive wheel each consists of a frame part supporting the seat surface, and a frame part (8) supporting a perforated plate (10)