Patent ID: 8118120
Filing Date: 2012-02-21
Classification: A61G

Abstract:
1. A power wheel chair having an improved motion control, comprising: a frame having a right frame section and a left frame section extending between a front frame end and a back frame end; said frame including a right and left upstanding portion extending in a generally vertical direction; a seat mounted to said frame for transporting an occupant; a right and a left caster wheel located in proximity to said front frame end adjacent to said right and left frame sections, respectively; a right and a left drive wheel located in proximity to said rear frame end adjacent to said right and left frame sections, respectively; a motor for driving said right and left drive wheels through a differential gearbox; a right and a left handle connected to said right and left upstanding portions, respectively, said right and left handles and a left hand gripping portion; said right and left handles extending generally horizontally and backwardly from said back frame end; a journal for rotating one of said right and left handles about a generally vertical axis; a journal lock for locking one of said right and left handles about said generally vertical axis; said journal lock locking said one of said right and left handles in a first rotation position whereat said one of said right and left handles is in generally perpendicular alignment with an axle driving said right and left drive wheels through said differential gearbox; said journal lock locking said one of said right and left handles in a second rotation position whereat said one of said right and left handles is in generally parallel alignment with an axle driving said right and left drive wheels through said differential gearbox; and an electronic control having a control lever located in proximity to one of said right and left handles for enabling the attendant to controlling the speed and braking of the power wheel chair.