Low profile slab carrier

Details Low profile slab carrier Low profile slab carrier

1987-02-02

1988-08-02

Spar, Robert J.

Material or article handling

Load bridging vehicle

280 4323, 280156, 280490R, B60P 300

Patent

active

047611081

ABSTRACT:
A heavy duty slab carrier for lifting and transporting a stack of steel slabs or the like is provided including a self-propelled tractor and a trailer having a longitudinally extending frame supported in front by a tractor hitch and at the rear by a rear wheel assembly having at least two steerable tandemly arranged wheels on each side of the trailer, a plurality of hydraulically controlled tong arms extending downwardly from the trailer frame for gripping a stack of slabs, hydraulic cylinders for raising and lowering the trailer frame and tong arms relative to the tractor and rear wheel assembly, and an arrangement of steering links and a hydraulic actuator for steering the tandemly arranged wheels of the rear wheel assembly in opposite directions.

REFERENCES:
patent: 996323 (1911-06-01), Farney
patent: 1121382 (1914-12-01), Leonard
patent: 3454123 (1969-07-01), Lewis
patent: 4170434 (1979-10-01), Kress et al.
patent: 4286915 (1981-09-01), LaBerdia
patent: 4488848 (1984-12-01), Kress et al.
patent: 4618307 (1986-10-01), Kress et al.

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