Folding wheelchair with rigid seat

Land vehicles – Wheeled – Occupant propelled type

Patent

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Details

280 42, 297 44, 297 45, 297 69, 297379, 297396, 297430, 301 63R, 188 2F, A47C 412

Patent

active

051451972

ABSTRACT:
A folding wheelchair has a rigid seat, leg support members stored in a compartment within the seat, a rigid backrest that can be collapsed when the wheelchair is folded, armrests that can be swung toward the seat or the backrest, and wheels that can be adjusted to raise or lower the seat and/or to shorten or lengthen the wheelbase. The rigid seat can be raised to a position in which the front or the front and rear portions are elevated.

REFERENCES:
patent: 667986 (1901-02-01), Meade
patent: 2654416 (1951-10-01), Maniscalco
patent: 3158404 (1964-11-01), Noakes
patent: 3302757 (1965-03-01), Eagleson
patent: 3666292 (1972-05-01), Bartos
patent: 3761129 (1973-09-01), Schultz
patent: 3833256 (1974-09-01), Dehner
patent: 3854774 (1974-12-01), Limpach
patent: 3858938 (1975-01-01), Kristensson et al.
patent: 3881773 (1975-05-01), Rodaway
patent: 3882949 (1975-05-01), Anderson
patent: 3887228 (1975-06-01), Ingerson
patent: 3897857 (1975-08-01), Rodaway
patent: 3968991 (1976-07-01), MacLaren
patent: 4007959 (1977-02-01), Juergens
patent: 4042250 (1977-08-01), Rodaway
patent: 4045051 (1977-08-01), Igarashi et al.
patent: 4098521 (1978-07-01), Ferguson et al.
patent: 4166631 (1979-09-01), Sanaski
patent: 4170368 (1979-10-01), Southward et al.
patent: 4204588 (1980-05-01), Kawecki
patent: 4241932 (1980-12-01), Hartmann
patent: 4273350 (1981-06-01), Williams
patent: 4326732 (1982-04-01), Gall et al.
patent: 4339013 (1982-07-01), Weigt
patent: 4343482 (1982-08-01), Wegner
patent: 4350227 (1982-09-01), Knoche
patent: 4354791 (1982-10-01), Antonellis
patent: 4358125 (1982-11-01), Charles
patent: 4362311 (1982-12-01), Bergman
patent: 4365924 (1982-12-01), Brigman et al.
patent: 4366964 (1983-01-01), Farey
patent: 4371183 (1983-02-01), Dion
patent: 4375295 (1983-03-01), Volin
patent: 4380343 (1983-04-01), Lovell et al.
patent: 4392690 (1983-07-01), Anderson
patent: 4421336 (1983-12-01), Petrofsky et al.
patent: 4457535 (1984-07-01), Takeuchi et al.
patent: 4462604 (1984-07-01), Meyer
patent: 4477098 (1984-10-01), Minnebraker
patent: 4484780 (1984-11-01), Thompson
patent: 4486048 (1984-12-01), Meyer
patent: 4489955 (1984-12-01), Hamilton
patent: 4493488 (1985-01-01), Panaia et al.
patent: 4500109 (1985-02-01), Volin
patent: 4514867 (1985-05-01), Jensen
patent: 4542918 (1985-09-01), Singleton
patent: 4553770 (1985-11-01), Lyman
patent: 4555121 (1985-11-01), Lockard et al.
patent: 4565385 (1986-01-01), Morford
patent: 4572577 (1986-02-01), LaRue
patent: 4592570 (1986-06-01), Nassiri
patent: 4648619 (1987-03-01), Jungnell
patent: 4655471 (1987-04-01), Peek
patent: 4721321 (1988-01-01), Haury
patent: 4730842 (1988-03-01), Summers
patent: 4733755 (1988-03-01), Manning
patent: 4754987 (1988-07-01), Williams
patent: 4770432 (1988-09-01), Wagner

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