Patent ID: 7871094

Claim:
A wheelchair having: a seat frame assembly comprising opposed seat rails and at least one seat crossbar assembly extending between said seat rails; a base frame assembly comprising opposed base rails and at least one base crossbar assembly extending between said base rails; a forward portion of said seat frame assembly and a forward portion of said base frame assembly being adapted to receive opposed removable pivot assemblies extending between said seat frame assembly and said base frame assembly for pivoting of said seat frame assembly in relation to said base frame assembly about a point defined by said pivot assemblies; and, said seat crossbar assembly and said base crossbar assembly being adapted to removably receive a support assembly extending between them; and wherein each of said pivot assemblies comprise a first pivot element removably attached to said forward portion of said seat frame assembly; a second pivot element removably attached to said forward portion of said base frame assembly; wherein said first and second removable pivot elements, when installed, cooperate to define a pivot point between them, said first and second pivot elements being operatively secured to one another; and, said support assembly being a removable support assembly connected between said seat frame assembly and said base frame assembly, said removable support assembly being configurable to define any one of a plurality of predetermined relative fixed pivot angles between said seat frame assembly and said base frame assembly.