Land vehicles – Wheeled – Extensible
Patent
1994-10-12
1996-07-16
Camby, Richard M.
Land vehicles
Wheeled
Extensible
280654, 280655, 280 4718, 280 4728, 280 4735, 280 47371, 108157, B62B 500, B62B 302
Patent
active
055360343
ABSTRACT:
A convertible bulk hand truck with a lift off table is described which has a foldable linkage and structure that is adjustable between folded and unfolded positions to define either a two wheeled dolly device or a four wheeled platform cart with or without a table assembly and the foldable subframe has a table rest and the main frame has a toe plate or load support nose that is disposed vertically when the subframe is vertically positioned such that the subframe and toe plate are arranged to receive and support opposite ends of a lift off table assembly on the bulk hand truck for positioning a table top thereon in generally vertically spaced parallelism with the main frame of the convertible bulk hand truck when in its four wheeled platform cart position.
REFERENCES:
patent: 3064989 (1962-11-01), Bellows
patent: 3785669 (1974-01-01), Doheny
patent: 4227709 (1980-10-01), Gradwohl et al.
patent: 4284286 (1981-08-01), Lewallen
patent: 4439085 (1984-03-01), Rodriguez et al.
patent: 4565382 (1986-01-01), Sherman
patent: 4921270 (1990-05-01), Schoberg
patent: 5004263 (1991-04-01), Hubbard
patent: 5160182 (1992-11-01), Chang
patent: 5201536 (1993-04-01), Bono et al.
Camby Richard M.
Vanaman Frank
LandOfFree
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