Land vehicles – Wheeled – Extensible
Patent
1992-05-20
1993-08-31
Camby, Richard M.
Land vehicles
Wheeled
Extensible
297 42, B62B 1100
Patent
active
052402762
ABSTRACT:
A foldable wheelchair having a light weight construction employing an interlocking mechanism between the individual parts to provide a wheelchair of improved structural stability without a separate frame assembly. The wheelchair comprises molded panels, which are interchangeable, and support elements, also interchangeable, the entire assembly being connected together by means of interlocking buttons and pins or rods.
REFERENCES:
patent: 4625984 (1986-12-01), Kitrell
patent: 4770432 (1988-09-01), Wagner
patent: 4813693 (1989-03-01), Lockard et al.
patent: 4917395 (1990-04-01), Gabriele
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