Tools

Details Tools Tools

1979-01-17

1980-09-23

Marbert, James B.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Opposing jaws

294 62, B65G 712

Patent

active

042239354

ABSTRACT:
The invention relates to a tool for lifting a component such as a building block and comprises a support having a contiguous lower abutment surface, a plurality of engaging members extending beneath the support and adapted to be entered into a recess in the component, at least one of the members being movable and a handle means movable with respect to the support and operatively connected with the movable engaging member, so that on lifting the handle the engaging members engage the adjacent wall of the recess with a force proportional to the weight of the component.

REFERENCES:
patent: 1495179 (1924-05-01), Hoffer
patent: 2578072 (1951-12-01), Kargol

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