Land vehicles – Wheeled – Extensible
Patent
1983-10-27
1986-06-03
Love, John J.
Land vehicles
Wheeled
Extensible
280242WC, 280289WC, 297DIG4, 297379, B62M 114, A61G 502
Patent
active
045925704
ABSTRACT:
The ultra light chair is designed for greater stability, higher performance, higher efficiency and overall better appearance than conventional chairs. A seat frame is provided separate from the main frame with seat mountings permitting longitudinal, tilt and height adjustments of the seat on the main frame. Unique wheel mountings permit simple manual removal and attachment of the wheels to the main frame, using only one hand. The same wheel mountings permit adjustment of the camber angle of each wheel relative to a vertical plane so that propelling and maneuvering of the wheelchair can be made easier than in the absence of any camber. The seat back for the chair is designed to fold down over the seat frame so that this feature in combination with easy removal of the wheels provides for compact storage during travel.
REFERENCES:
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patent: 1851843 (1932-03-01), Inman
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patent: 3882949 (1975-05-01), Anderson
patent: 4082348 (1978-04-01), Haury
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patent: 4360213 (1982-11-01), Rudwick
patent: 4371183 (1983-02-01), Dion
patent: 4380343 (1983-04-01), Lovell et al.
patent: 4392690 (1983-07-01), Anderson
patent: 4428594 (1984-01-01), Minnebraker
patent: 4477098 (1984-10-01), Minnebraker
patent: 4500102 (1985-02-01), Haury et al.
Dukes Mark
Everest & Jennings
Love John J.
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