High lift dump truck

Details High lift dump truck High lift dump truck

1989-02-15

1990-08-28

Spar, Robert J.

Land vehicles: dumping

Elevating and tilting

296 56, 296 571, 296184, 298 175, 298225, B60P 0134

Patent

active

049519999

ABSTRACT:
A high lift dump truck having a chassis on a truck, and a body portion having a tailgate being positioned on the chassis and being supported in a lowered position. A front hoist having a first end pivotably mounted at a generally central location on the chassis. The front hoist has a second end pivotably mounted on the body and the front hoist is positioned to raise the body to a maximum front elevation above the chassis. A rear hoist has a first end pivotably mounted at a generally rear location on the chassis and a rear hoist has a second end pivotably mounted on the body generally near the tailgate end of the body. The rear hoist is positioned to raise the body to a maximum rear elevation above the chassis. A control link has a first end pivotably mounted on the chassis adjacent the rear location and has a second end mounted on the body at a generally central location, whereby the link defines a locus of movement of the second end when the body is raised. A control is provided for activating the front and rear hoist independently to permit the body to be raised to the maximum front and rear elevations.

REFERENCES:
patent: 403628 (1889-05-01), Watt
patent: 1650815 (1927-11-01), Barrett
patent: 1775971 (1930-09-01), Samuelsen
patent: 2499919 (1950-03-01), Hughes
patent: 3030139 (1962-04-01), Fite

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