Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1987-06-15
1988-09-13
Spar, Robert J.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
414494, 414500, B60P 134
Patent
active
047705922
ABSTRACT:
A truck having a deck unit pivotally connected to the rearward end of a truck chassis rearwardly of the rear wheels, expansible power mechanism connected to the forward end of the deck unit and operable to elevate it to dispose the unit at an acute angle to the horizontal for loading a vehicle onto the deck unit when the rearward end thereof is substantially in engagement with a pavement surface or the like; the improvement comprising a latch mechanism pivotally connected at one end to the deck unit and the other end pivotally interconnectible to the rear wheels, whereby as the power mechanism is expanded to tilt the deck unit as above described, continued expansion operates to compress the conventional springs by which the rear wheels are connected to the chassis and thereby lowers the rearward end of the chassis and, accordingly, lowers the pivot which connects the deck unit to the rear end of the chassis and thereby further decreases the acute angle of the deck unit to the horizontal to facilitate loading vehicles onto the deck unit without interference of the overhanging ends of the vehicle with the surface of the deck unit.
REFERENCES:
patent: 3430791 (1969-03-01), Moss
patent: 3485400 (1969-12-01), Pewthers
patent: 3633775 (1972-01-01), Pugliese
patent: 3647097 (1972-03-01), Skaggs
patent: 4260315 (1981-04-01), Bouffard
patent: 4348054 (1982-09-01), Shonkwiler et al.
patent: 4456420 (1984-06-01), Newhard
Just C. Hercus
Millman Stuart J.
Spar Robert J.
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