Land vehicles – Wheeled – Extensible
Patent
1989-10-12
1991-03-05
Spar, Robert J.
Land vehicles
Wheeled
Extensible
180199, 414495, B62D 6300
Patent
active
049971956
ABSTRACT:
The present invention relates to a pallet loader which can be used for carrying and unloading pallets on which goods are loaded. The pallet loader of the present invention includes an initial wheel-turning driving mechanism which enables a wheel disposed between both side wheels to turn; a jack plate where a control mechanism is provided to control opening and closing of a fluid passage which is provided to pass a fluid between a pump and a hydraulic jack.
REFERENCES:
patent: 2592091 (1952-04-01), Weaver
patent: 2601171 (1952-06-01), Schreck
patent: 3567240 (1971-02-01), Brassington
patent: 3817546 (1974-06-01), Sugiura
patent: 3843147 (1974-10-01), Fredricson
patent: 3982767 (1976-09-01), Larsson et al.
patent: 4223901 (1980-09-01), Klemick
patent: 4287959 (1981-09-01), Inman
patent: 4669561 (1987-06-01), Sheen
Katz Robert S.
Spar Robert J.
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