Wheelchair and wheelchair frame

Details Wheelchair and wheelchair frame Wheelchair and wheelchair frame

1991-11-08

1993-12-07

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

29469, 298972, 2803041, 297DIG4, 403172, A61G 500, B62M 114

Patent

active

052677451

ABSTRACT:
A wheelchair includes a chassis having a pair of side frame assemblies that are rigidly connected to each other by a seat pan. Mounted on each side frame assembly is an interchangeable axle receiving platform for orienting drive wheels at a desired camber angle. One end of a seat member is pivotally attached to a foot member for adjustment of the seating angle. By moving an opposite end of the seat member along a curved portion of a bottom member of each side frame assembly, the seat angle is changed. A one piece caster assembly is disposed forward of the drivewheels on the chassis. Through the one-piece caster assembly, each caster can be simultaneously adjusted to a particular location along the frame.

REFERENCES:
patent: D254970 (1980-05-01), Honzyou
patent: 3379450 (1968-04-01), Jones et al.
patent: 4405142 (1983-09-01), Whetstine
patent: 4650201 (1987-03-01), Hartwell
patent: 4652005 (1987-03-01), Hartwell
patent: 4721321 (1988-01-01), Hanry et al.
patent: 4730842 (1988-03-01), Summers et al.
patent: 4966379 (1990-10-01), Mulholland
patent: 5020816 (1991-06-01), Mulholland
patent: 5060962 (1991-10-01), McWethy
patent: 5152543 (1992-10-01), Sims et al.

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