Auxiliary drive for a self-propelled wheelchair has a drive unit incorporated in each wheel hub with the control for the main switch projecting from the hub to move an inner push rod with easy access and operation

摘要

The drive system, for a self-propelled wheelchair with a drive at each of the two running wheels and an electromotor, has a main switch with a control (200) to operate the switch. The control (200) has a projection (210) from the outer side of the wheel hub (11) and a push rod (220) into the interior of the hub, and the outer projecting control surface (210) is larger than the parallel interface surface of the inner push rod (220).