Patent ID: 6331013
Filing Date: 2001-12-18
Classification: A61G,B60L,Y02T,Y10S

Abstract:
A powered mobility aid comprising a seat having a top surface and a bottom surface and a seat back flexibly engaged therewith, a foldable support frame having a plurality of wheels fixed to the seat, and a power source engaged with at least two of said wheels for applying a driving force to said wheels, wherein said foldable support frame includes:two track members positioned in a parallel and spaced relationship on the bottom surface of said seat, each track member extending from a point proximate said seat back toward the front edge of the seat;two front legs, each front leg pivotally engaged with the bottom surface of said seat, a front cross-beam extending between and fixed to said two front legs at a location spaced from said seat and proximate the distal ends of said front legs, two of said wheels each being attached to said front cross beam and front leg combination proximate the respective distal ends of each of said front legs, at least one front reinforcing member fixed between said two front legs;two rear legs, each rear leg engaged with a respective track member and being slidable in said respective track member, two of said wheels each being attached respectively proximate the distal end of each of said two rear legs, at least one rear reinforcing member fixed between said two rear legs;at least one side reinforcing member located on each side of said support frame;a locking member extending from the bottom surface of said seat and to said front cross beam, said locking member being engaged and locked when said frame is in a fully extended position and also when said frame is in a completely folded position; andtrack locking members for locking said rear legs in position on said tracks when said frame is fully extended.