B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
298/4
B60P 1/28 (2006.01) B60P 1/32 (2006.01)
Patent
CA 1147377
ABSTRACT OF THE DISCLOSURE In a dump truck, the most efficient way of raising the container body is to apply a lifting force to the end of the body remote from the pivot point. In some applications it is difficult to do so because of height restrictions and it is particularly difficult to do so in a telescoping container body in which the end of the container body which is remote from the pivot point moves in relation to the pivot point. The present invention overcomes this difficulty by mounting the extensible ram in a position remote from its upright position and providing a mechanism for pivoting it to its required upright position prior to its operation as a hoist. In a telescopic container body, the extensible ram is normally stored in freeboard space disposed below the front section of the container body and is raised into an upright position at the front end of the telescoped body in response to movement of the front section from its extended position to its retracted position. The power supplied to the jacking ram and to the telescoping ram is controlled so that the telescoping ram cannot be activated when the jacking ram is activated and vice versa.
355122
Martin John C.
Mckee William C.
Diesel Equipment Limited
Fetherstonhaugh & Co.
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