Patent attributes
An auxiliary power unit starting apparatus for a wheelchair comprises a housing, a plurality of triggers fixed in a triggering disc which is installed on an inner surface of the housing, a plurality of return springs biased between the housing and the driving disc for providing an elastic force for enabling the thick portion of the triggers to keep abutting against the deep end of the chutes, a hand wheel fixed to the driving disc, a switch is fixed to the stator for starting and stopping the motor and is to be triggered by the triggering disc. When the user rotates the hand wheel, the triggering disc will trigger the switch, and thus the motor will be started and will produce an auxiliary driving power for rotating the wheel of the wheelchair.
