Load-lifting assembly

Details Load-lifting assembly Load-lifting assembly

1977-03-31

1977-10-18

Spar, Robert J.

B60P 300

Patent

active

040542173

ABSTRACT:
A load-lifting assembly adapted to be attached to the bed of a trailer vehicle comprises a mounting platform affixed to the bed, a pair of hydraulic cylinders attached to the mounting platform with their piston rods extending below the mounting platform on each side, and a cross member attached to those piston rods and extending crosswise of the bed. An inverted U-shaped structure is carried by the cross member, the legs of the U extending upwardly therefrom at each end, and the cross bar of the U being positioned above the vehicle bed. In each leg of the U is journalled a vertical shaft which extends below the cross member and carries at its lower end a swing load-supporting member which swings from a load-carrying position crosswise of the bed to a load-clearing position parallel with the bed. Means for rotating the vertical shafts are attached to the cross bar of the U, and means are provided for locking those shafts to the vehicle bed.

REFERENCES:
patent: 1757798 (1930-05-01), Grab
patent: 2512333 (1950-06-01), Jaffa et al.
patent: 3184087 (1965-05-01), Prindle et al.

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