Roll-off hoist for variable positioning of containers

Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...

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Details

414480, 414494, 414500, 414679, 414786, 2804051, B65G 6702, B60P 128

Patent

active

050888757

ABSTRACT:
A roll-off hoist includes a trailer main frame having a forward end defining a first pair of tracks and having a rearward end; a roll-off hoist frame hingedly connected at its rearward end to the rearward end of the main frame to pivot between a horizontal transport position and a rearwardly inclined loading position, the hoist frame adapted to receive a container directly atop and adjacent thereto, the hoist frame defining a second pair of tracks which align with the first pair of tracks when the hoist frame is in the horizontal transport position; a trolley mounted to slide within the first and second pair of tracks; trolley stop means mounted on the trolley for engagement with coacting container stop means on a container; a cable which apparatus anchored to the hoist frame and adapted to pull the container onto the hoist frame; and actuator means interposed between the trolley and the hoist frame for moving the trolley within the first and second pairs of tracks and moving a container connected to the trolley forwardly of the hoist frame.

REFERENCES:
patent: 3001825 (1961-09-01), Rouse
patent: 3272546 (1966-09-01), Cooley
patent: 3957166 (1976-05-01), Durham
patent: 4133439 (1979-01-01), Goranson
patent: 4529349 (1985-07-01), Lutz
patent: 4702662 (1987-10-01), Marlett
patent: 4802811 (1989-02-01), Nitenhuis
patent: 4840532 (1989-06-01), Galbreath
patent: 4889464 (1989-12-01), Self
patent: 4934898 (1990-06-01), Galbreath
patent: 4986719 (1991-01-01), Galbreath

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