Unloading apparatus of truck

Details Unloading apparatus of truck Unloading apparatus of truck

1975-08-25

1977-09-27

Spar, Robert J.

Land vehicles: dumping

Tilting

Operating mechanism

214514, 280 80B, 298 21V, B60P 104

Patent

active

040507394

ABSTRACT:
Apparatus for facilitating the loading and unloading of a motor truck. The rear spring suspension of the truck is fixed to and adjacent the rear ends of a pair of right and left flexible cantilever beams attached at their forward ends to the respective sides of the chassis or frame. The rear driving axle of the truck is connected with the transmission through a splined shaft variable in effective length. In normal driving the rear spring suspension is over the axle for direct support thereby. But when loading or unloading, the front wheels may be braked or blocked so that power operation of the rear wheels propels the axle forwardly and guidedly along the beams whereby the beams flex and allow the rear end of the chassis to lower to any desired extent. In a dump type truck, forward propulsion of the axle as aforesaid also elevates the forward end of the hinged container to thus dump its contents.

REFERENCES:
patent: 1822623 (1931-09-01), Hill
patent: 2471379 (1949-05-01), Smith
patent: 2494945 (1950-01-01), Huntington
patent: 3032133 (1962-05-01), Brown
patent: 3486763 (1969-12-01), Hexel
patent: 3833263 (1974-09-01), Jackson

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