Patent ID: 6460641
Filing Date: 2002-10-08
Classification: A61G,F16F,Y10S

Abstract:
A wheelchair, comprising:a frame; a seat assembly operatively connected to said frame; a plurality of drive wheels operatively connected to said frame; at least one rear caster wheel operatively connected to said frame; and at least one front wheel assembly resiliently and pivotally connected to said frame by a multiple compression range suspension assembly having at least two biasing members, said multiple compression range suspension assembly adapted to biasly urge said front wheel into contact with a surface, wherein each said biasing member of said suspension assembly has a compression range which can be separate from or can overlap the at least one other biasing member, wherein said suspension assembly has an upper housing containing a substantially vertically extending elongated slot therein, and wherein a pin connects said suspension assembly to said wheelchair frame, and wherein said pin extends through and is movable substantially vertically upwardly and downwardly within said slot.