Pipe gripping head

Details Pipe gripping head Pipe gripping head

1980-03-17

1981-12-08

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

414 22, B66C 100

Patent

active

043044336

ABSTRACT:
A pipe gripping head especially suitable for use with pipe handling apparatus in earth drilling operations. The pipe gripping head includes a pair of jaws operably pivotable between an open and a closed locked position which does not rely on pneumatic or hydraulic pressure to maintain the jaws in the closed position.

REFERENCES:
patent: 4013178 (1977-03-01), Brown
patent: 4185866 (1980-01-01), Wittwer

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