Patent ID: 7341123

Claim:
A running wheel arrangement for a in particular collapsible wheelchair which can be driven by electric motor, a frame ( 2 ) to which wheels ( 12 ) can be releaseably connected, with a respective driving motor ( 1 ) being integrated in two wheels ( 12 ), and the connection of these wheels ( 12 ) being via a respective adapter ( 7 ) arranged on the frame ( 2 ), and the wheel inserted into the adapter ( 7 ) being mechanically lockable with respect to the frame ( 2 ) via a locking device ( 5 , 6 ), which comprises: a) a pivot plate ( 3 ) fastened to the driving motor ( 1 ), b) the wheel ( 12 ) is mounted rotatably on the pivot plate ( 3 ) via an axle bolt ( 4 ), c) a link bolt ( 8 ) pointing in the direction of travel F is arranged in the adapter ( 7 ), d) a cross-sectional U-shaped tab ( 31 ) is arranged at one end of the pivot plate ( 3 ), e) the tab ( 31 ) can be placed onto the link bolt ( 8 ) in such a manner that the wheel ( 12 ) can be shifted by means of a pivoting movement toward the frame ( 2 ) until a locking bolt ( 5 ) provided on the pivot plate ( 3 ) engages in a locking bush ( 6 ) arranged on the adapter ( 7 ), and f) the wheel can be locked mechanically with respect to the frame ( 2 ) via the locking bolt ( 5 ) and the locking bush ( 6 ).