Locking toggle joint for gripping tongs

Details Locking toggle joint for gripping tongs Locking toggle joint for gripping tongs

1975-03-18

1976-10-19

Blunk, Evon C.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Ball retriever

294100, 403 97, B25J 1700, F16C 1110

Patent

active

039867439

ABSTRACT:
The present invention relates to a toggle joint, specially to an angular positioning device for a gripping means for gripping tongs where the movements of the tong jaws of the gripping means are regulated by a control cable whose one end is fixed in the gripping means and whose other end is connected to an operating trigger in the handle of the gripping tongs. Said device is formed as a toggle joint having two cooperating joint surfaces designed with locking means which engage one another and forming clutch couplings.

REFERENCES:
patent: 1181137 (1916-05-01), Heggland
patent: 2392865 (1946-01-01), Smith
patent: 2680032 (1954-06-01), McClenahan
patent: 3576343 (1971-04-01), Juhlin et al.

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