Patent ID: 8628108

Claim:
A light weight foldable and customizable wheelchair comprising a tubular frame formed at least in part of molded polymer matrix composite material tubes and connectors, said wheelchair having two side frame tubular assemblies interconnected in side-by-side relationship by a pair of cross-brace members, said side frame tubular assemblies defining a seating section therebetween, a rear wheel mounting post assembly secured to each said side frame assemblies adjacent a rear end section thereof for securing a rear wheel to each said side frame tubular assemblies at a desired selected position, said rear wheel mounting post assembly having an adjustable mounting post with a plurality of axle receiving holes disposed along an axle support axis extending vertically through said mounting post, and a clamp at opposed ends of said adjustable mounting post for engagement with opposed horizontal tubular members of said side frame tubular assemblies, said opposed horizontal tubular members having rib formations extending perpendicular to said horizontal tube members to provide immovable retention of said clamps, said clamp at opposed ends of said mounting post providing horizontal displacement and securement of said mounting post to a desired position in said side frame tubular assemblies, a front wheel assembly secured to a lowermost front end of each said side frame tubular assemblies, said seating section being configurable along three axes; each said side frame tubular assemblies being adjustable in depth and in height, constituting a first and second of said three axes, by forming or cutting tubes of said side frame tubular assemblies to a desired length and gluing same to associated ones of said connections; each cross-brace member of said pair of cross-brace members having a cross-brace connecting tube adjustable in length to provide a width adjustment constituting a third of said three axes, of said side frame tubular assemblies; a pair of back canes secured to said two side frame tubular assemblies and a seat and backrest support secured respectively to said side frame tubular assemblies and said pair of back canes.