Dump trailer

Details Dump trailer Dump trailer

1977-10-17

1979-03-20

Husar, Francis S.

Land vehicles: dumping

Two-wheel

280446B, B62D 6306

Patent

active

041450850

ABSTRACT:
A bellcrank lever is pivotally connected at its elbow to a tow vehicle such as a tractor. A generally horizontal arm of the bellcrank lever is pivotally connected to the lower front portion of a trailer bed through a universal joint and a centering mechanism. The after end of the bed is supported by two rear wheels. A hydraulically actuated mechanism connected between the vehicle and an upwardly extending arm of the bellcrank lever pivots the bellcrank lever in a vertical plane thereby selectively raising or lowering the front of the bed. The universal joint allows towing and dumping at a considerable angle of lateral tilt of the bed relative to the vehicle and the centering mechanism maintains the trailer in fore and aft alignment.

REFERENCES:
patent: 2890065 (1959-06-01), Shoffer
patent: 2940776 (1960-06-01), Curtis
patent: 3730557 (1973-05-01), Cox
patent: 3879061 (1975-04-01), Thompson

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