Scissor frame lift apparatus for dump trucks

Details Scissor frame lift apparatus for dump trucks Scissor frame lift apparatus for dump trucks

1984-05-04

1986-06-03

Spar, Robert J.

Land vehicles: dumping

Tilting

Operating mechanism

298 17S, 298 22P, B60P 116

Patent

active

045925933

ABSTRACT:
A scissor frame lift apparatus is employed in combination with a dump truck and the like, the hoist including upper and lower pivotally interconnected leg members which in turn are pivotally connected at opposite ends to the underside of the dump body and the chassis of the truck, respectively, and lift cylinders extend along opposite sides of the leg members between the dump body and chassis to elevate and tilt the dump body. The upper limit of advancement of the dump body is controlled by a frame stop member which defines an angular extension of one of the leg members and moves into engagement with the other of the leg members before the cylinders reach their full limit of extension and thereby absorb the force of the dump body when it is lifted to the full limit of its extension about the hinge.

REFERENCES:
patent: 2671570 (1954-03-01), Richey
patent: 2698199 (1954-12-01), Godbersen
patent: 2730401 (1956-01-01), Rea
patent: 2731293 (1956-01-01), Hutchinson
patent: 3043629 (1962-07-01), Schlueter et al.
patent: 3809249 (1974-05-01), Channell
patent: 4148528 (1979-04-01), Channell

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