#$%^&*AU2011253535A120120628.pdf#####ABSTRACT OF THE DISCLOSURE A wheel chair (10) is configurable as a mobility and a positioning chair. The chair has a seat (42) and backrest (92) with opposite side rails (50, 100) to interchangeably receive various components. The seat has a taut sheet of plastic (80) to reduce pressure points. The 5 seat and backrest can tilt together with respect to a base frame (18). The backrest can recline with respect to the seat.1/22 - 124 112 118 92 9 106 174" 10 "O104 108 1100 ~154 4610* Fig 1a 42