초록 ▼

A wheelchair with a tiltable seat locates the tilt fulcrum between 3 and 7 inches from the front edge of the seat pan and between 1 and 4 inches below the surface of the seat pan. This minimizes the elevation of the rider's knees when in a tilted position, and allows for more stability and a shorter

A wheelchair with a tiltable seat locates the tilt fulcrum between 3 and 7 inches from the front edge of the seat pan and between 1 and 4 inches below the surface of the seat pan. This minimizes the elevation of the rider's knees when in a tilted position, and allows for more stability and a shorter wheel base. Manual self-tilting is facilitated by a gas strut arrangement disposed on brackets below the seat pan, and operated by a rider-controlled valve.

대표청구항 ▼

1. A wheelchair comprising:a frame; a pair of main wheels mounted on opposite sides of said frame and a pair of caster wheels mounted forwardly of said main wheels on opposite sides of a front end of said frame; a seat assembly comprising a seat pan and downwardly extending members at each side of s

1. A wheelchair comprising:a frame; a pair of main wheels mounted on opposite sides of said frame and a pair of caster wheels mounted forwardly of said main wheels on opposite sides of a front end of said frame; a seat assembly comprising a seat pan and downwardly extending members at each side of said seat pan, said seat pan having a front edge and a top surface and being selectively tiltable to a plurality of set positions about a fulcrum; and, wherein said fulcrum is located between 3 and 7 inches rearward of the front edge of the seat pan and between 1 and 4 inches below the top surface of said seat pan.