Land vehicles – Wheeled – Extensible
Patent
1979-03-01
1984-05-15
Spar, Robert J.
Land vehicles
Wheeled
Extensible
280 4729, B62B 104
Patent
active
044484402
ABSTRACT:
A hand truck wherein the load supporting platform is pivoted to swing from its operative position to a substantially flush and collapsed position against the front of the lower part of the frame, and wherein the upper and handle portion of the frame is pivoted to the lower part of the frame to swing from its operative position to a collapsed position overlapping the platform when the latter is collapsed. A fastener is provided for alternatively securing the upper portion of the frame in its operative and inoperative positions.
REFERENCES:
patent: 1719763 (1929-07-01), Gullborg
patent: 3043603 (1962-07-01), Major, Sr.
patent: 3788659 (1974-01-01), Allen
patent: 3947054 (1976-03-01), Hall
patent: 4062565 (1977-12-01), Holtz
patent: 4121855 (1978-10-01), Mortenson
Breidenthal Robert E.
Spar Robert J.
Underwood Donald W.
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