Method and apparatus for unloading a piece of equipment placed o

Details Method and apparatus for unloading a piece of equipment placed o Method and apparatus for unloading a piece of equipment placed o

1983-07-29

1985-10-22

Paperner, Leslie J.

Material or article handling

Self-loading or unloading vehicles

With load-receiving portion, or significant section thereof,...

298 14, 414469, 414786, B60P 130

Patent

active

045485410

ABSTRACT:
A method and apparatus for loading of a piece of equipment on a lorry. The apparatus includes an arm pivotally interconnected with the lorry and a first jack interposed the lorry and the arm. A jib is telescopically interconnected with the arm. A movable platform is interconnected with a hook on the jib. A cable passes over a pulley interconnected with the movable platform and is hooked to the chassis at one of its ends and to the piece of equipment at the other of its ends. The method includes the steps of moving the piece of equipment rearwardly along the movable platform, the movement of the piece of equipment therealong acting through the cable and pulley to displace the movable platform rearwardly relative to the lorry until the movable platform and the piece of equipment are displaced to a position wherein they are unbalanced on the lorry. Gravity is then used to permit the lowering, by a tilting action, of the movable platform.

REFERENCES:
patent: 1455821 (1923-05-01), Swanson
patent: 2082663 (1937-06-01), Slater
patent: 2588001 (1952-03-01), Holland
patent: 2621814 (1952-12-01), Lisota
patent: 3074574 (1963-01-01), Prince
patent: 3987918 (1976-10-01), Corompt
patent: 4015879 (1977-04-01), Shonkwiler
patent: 4147266 (1979-04-01), Corompt
patent: 4318657 (1982-03-01), Znidaric

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