Lifting clamp

Details Lifting clamp Lifting clamp

1988-03-03

1989-05-30

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Pivoted cam and hook

294104, B66C 148

Patent

active

048344427

ABSTRACT:
A device for lifting metal plate or the like includes a substantially U-shaped housing which contains a toothless eccentric cam and a shackle. The toothless eccentric cam is mounted to the shackle by use of a connecting link and a radius link. The radius link is pivotably mounted to the housing so that when force is exerted on the shackle, a force is then exerted on the radius link which causes the connecting link to rotate the toothless eccentric cam into the throat of the housing.

REFERENCES:
patent: 1011660 (1911-12-01), Strathern
patent: 1266233 (1918-05-01), Eckerson
patent: 2308485 (1943-01-01), Bass
patent: 2393101 (1946-01-01), Gardner
patent: 2412555 (1946-12-01), Baker
patent: 3300242 (1967-01-01), Renfroe

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