Collapsible lift frame having means to adjust point of lift

Details Collapsible lift frame having means to adjust point of lift Collapsible lift frame having means to adjust point of lift

1975-11-14

1976-08-03

Marbert, James B.

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

294 81R, B66C 110

Patent

active

039725537

ABSTRACT:
A lift frame for cubical loads having disparate centers of gravity featuring a system of pivotally movable truss-like arms which may be extended for attachment to a load or folded for compact transportation or storage. The lift frame also includes a radially and rotationally adjustable lift or hoist connection which may be positioned in alignment with the center of gravity of a load to insure against tilting or overbalancing of the load during lifting and movement thereof.

REFERENCES:
patent: 1865739 (1932-03-01), Bergmann
patent: 3402911 (1968-09-01), O'Neill
patent: 3823743 (1974-08-01), Visser

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