Land vehicles – Wheeled – Occupant propelled type
Patent
1981-03-09
1983-09-20
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
297 45, 297431, 297440, 297DIG4, 411 21, A61G 502
Patent
active
044051425
ABSTRACT:
A knock down wheel chair that can be quickly disassembled and reassembled includes a pair of side frames connectable together by a front frame by means of quick release pins and by a back frame by means of quick release pins with a set of main wheels that are mounted to the respective side frames by means of quick release pins. The front frame assembly carries the front casters and is telescopically received in the side frames for adjusting the wheel base and is invertible to adjust the height of the frame with respective to the castors. The main wheels are detachably connectable to mounting plates on the side frames that are also adjustable for adjusting the width between the wheels and have means for adjusting the camber of the wheels as well as provide multiple different positions for height and center of gravity of the main wheels.
REFERENCES:
patent: 2782835 (1957-02-01), Liebich
patent: 3853372 (1974-12-01), Meyer
patent: 3937490 (1976-02-01), Nasr
patent: 3990745 (1976-11-01), Rodaway
patent: 3993351 (1976-11-01), Rodaway
patent: 4082348 (1978-04-01), Haury
patent: 4227742 (1980-10-01), Thomas
patent: 4351540 (1982-09-01), Minnebraker
patent: 4358125 (1982-11-01), Charles
patent: 4362311 (1982-12-01), Bergman
Hill Mitchell J.
Peters Jr. Joseph F.
Stainless Medical Products, Inc.
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