Self-attaching lifting device

Details Self-attaching lifting device Self-attaching lifting device

1976-12-09

1978-06-20

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Expanding

B66C 144

Patent

active

040958345

ABSTRACT:
A lifting device having radially disposed arms each provided with a lift pad assembly pivotally mounted at the outer arm ends. The arms are pivotally attached at their inner ends to a central post structure. An arm locking assembly includes a sleeve on the post structure having pivoted links coupled to each of the arms to assure uniform locking and unlocking of the arms.

REFERENCES:
patent: 2879101 (1959-03-01), Daroci
patent: 2951725 (1960-09-01), St. Jean

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