Fastening device to fasten functional part to wheelchair has clamping piece locked into place using changeable form piece with contour shaped to lie flat against chair part, system comprising several form pieces for each clamping piece

摘要

The fastening device has a clamping piece (1) made of two parts (50,60) which can be put onto a part (101) of a wheelchair and which can be locked into place with a changeable form piece (10), using a seat (8) on said clamping piece. The changeable form piece has a contact area whose contour is shaped so that part lies flat against the chair part. A fastening system can be constructed in which for each clamping piece seat many form pieces can be prepared, which are different if the contours of the contact area are different too.