Clamp for handling and lifting sheet-metal, plates or the like

Details Clamp for handling and lifting sheet-metal, plates or the like Clamp for handling and lifting sheet-metal, plates or the like

1988-11-08

1990-07-03

Focarino, Margaret A.

Handling: hand and hoist-line implements

Grapple

Pivoted cam and hook

294104, B66C 148

Patent

active

049385178

ABSTRACT:
A clamp of the type comprising a body which, equipped with a gripper has a clevis-shaped part consisting, on the one hand, of a fixed jaw and, on the other hand, of a mobile jaw in the shape of a pivoting cam subjected to the action of a spring, the mobile jaw being releasable from its open position by a trigger pivotably mounted on the body and protruding inside the clevis. This clamp comprises a locking hook for locking the mobile jaw in the open position, independently of the trigger and actuatable by the latter during its pivoting motion in a direction of disengagement of the opening of the clevis, under the pressure of a sheet or the like.

REFERENCES:
patent: 1011660 (1911-12-01), Strathern
patent: 4162804 (1979-07-01), Davies
patent: 4327944 (1982-05-01), Langloy
patent: 4702508 (1987-10-01), Weiner et al.

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