Cargo handling apparatus

Details Cargo handling apparatus Cargo handling apparatus

1982-02-24

1983-12-20

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414680, 414699, 414917, 248325, 254124, B66F 1100

Patent

active

044214502

ABSTRACT:
A parallelogram arm assembly having a vertical arm for suspending a load at lower end thereof and a pair of horizontal arms one of which is guided in a horizontal path is provided. The other horizontal arm is guided in a vertical path. The paths are defined in a supporting structure which is mounted rotatably on a standard or the like. Apparatus, such as a piston/cylinder actuator is provided for maintaining in cooperation with the parallelogram a floating balanced state of the arm assembly independently of the loaded or no-load state.

REFERENCES:
patent: 3259351 (1966-07-01), Olsen
patent: 3259352 (1966-07-01), Olsen
patent: 3402911 (1968-09-01), O'Neill
patent: 3721416 (1973-03-01), Goudreau
patent: 3747886 (1973-07-01), Carlson et al.
patent: 3883105 (1975-05-01), Matsumoto

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