Patent ID: 6027132
Filing Date: 2000-02-22
Classification: A61G,Y10S,Y10T

Abstract:
A wheelchair assembly comprising:a frame including a pair of spaced-apart frame portions each having a front end and a back end;a pair of drive wheels;a separate axle assembly mounted to each of said frame portions towards the back end, each axle assembly including:an axle adjustment member securable to a frame portion and having an outer surface; andan axle housing selectively mounted to said axle adjustment member at a plurality of angular attitudes corresponding to a plurality of cambers of the drive wheel;an axle securing each wheel to said axle housing;said axle adjustment member and said axle housing including interengaging splined surfaces which permit selectively mounting said axle housing to said axle adjustment member at the plurality of angular attitudes for adjusting the camber for the drive wheel secured to the axle housing;a caster wheel assembly adjustable mounted at a plurality of heights to each frame portion towards the front end of the frame portion, each caster wheel assembly including a caster wheel and defining an upwardly extending caster wheel pivot axis, whereby the distance between the caster wheel and the frame portion can be changed to accommodate change in the camber of the drive wheels while keeping the caster wheel pivot axis substantially vertical.