Patent ID: 6311999
Filing Date: 2001-11-06
Classification: A61G

Abstract:
A wheelchair with a closed three-dimensional strutless frame, said frame consisting of:a transverse axle tube for a pair of rear wheels,two lateral portions extending forwardly from said axle tube, each said lateral portion being unitary and having the shape of a reverse letter L, said two lateral portions being arranged symmetrically with respect to the longitudinal central axis of the wheelchair, and each L-shaped lateral portion consisting essentially of a generally longitudinally extending upper leg and a generally vertically extending lower leg at the front of said wheelchair, said upper leg having a rear end connected to said axle tube and a front end, and said lower leg having an upper end connected to said front end of said upper leg and a bottom end,a lower transverse horizontal front portion at a height to support the user's feet having two side ends respectively connected to bottom ends of said lower legs of said lateral portions, andfront wheel supports, each of which is attached on the lower leg of a respective one of said lateral portions.