Patent ID: 7971893
Filing Date: 2011-07-05
Classification: A61G,B60K,B60Y

Abstract:
1. A wheelchair comprising: a wheel assembly formed of a pair of independently-operable motorized tires; a base pan supported by said wheel assembly, said base pan having a front edge and a rear edge; a chair member mounted on said base pan, said chair member formed of a seat portion with a backrest portion vertically extending therefrom, said backrest having two opposing sides and a rear surface; an electronics housing beneath said chair, said housing having a pair of motors received therein, each of said motors discretely operating one of said tires; a pivotal armrest on each of said opposing sides, said armrests pivotal between a horizontal, deployed position when in use, and a stowed, vertical position to allow a patient to enter and exit said seat portion; a caregiver platform hingedly attached to the rear edge of the base pan on which a caregiver stands when operating the wheelchair; a handlebar mounted on the rear surface of said backrest, said handlebar having direction switches and a speed control switch thereon that independently rotate each of said tires at a desired speed to allow a caregiver to steer said wheelchair and to propel said wheelchair at a desired speed, wherein said speed control switch is spring-biased in a disabled position wherein the motorized tires are disabled so that the wheelchair slowly stops when the speed control switch is released.