Patent ID: 8123245

Claim:
A wheelchair comprising a plurality of wheels, a base, a seat member, and a leg support assembly, the base comprising a main frame and an extendable member, the extendable member being configured to extend and retract in relation to the main frame, the main frame comprising at least two wheels, the extendable member comprising at least two wheels, the leg support assembly being pivotably connected to the extendable member, the length of the base being configured to be increased by extending the member from the main frame and decreased by retracting the member into the main frame, the main frame and extendable member being configured such that the distance between the at least two wheels of the main frame and the at least two wheels of the extended member increases or decreases as the extendable member respectively extends and retracts, the height of the seat member being configured to be increased or decreased, and the leg support assembly being configured to pivot along with a user's legs at the knees as the leg support assembly extends away from the seat member and the user's legs extend.