Apparatus for clamping pipe or tube

Details Apparatus for clamping pipe or tube Apparatus for clamping pipe or tube

1989-04-06

1990-12-11

Focarino, Margaret A.

Handling: hand and hoist-line implements

Grapple

Socket and slip wedge

294 863, B66C 144

Patent

active

049764829

ABSTRACT:
An apparatus including wedges with buttons and cooperating guide blocks positioned about halfway along the length of the wedges between the buttons, each block including a projection on one side of the wedge and a recess on the other side, for clamping heavy pipes or tubes with a low number of driving assemblies. The blocks are mounted in a very simple manner.

REFERENCES:
patent: 1436246 (1922-11-01), Greve
patent: 2570039 (1951-10-01), Stone
patent: 2785454 (1957-03-01), Young
patent: 3675278 (1972-07-01), Powell
patent: 4275488 (1981-06-01), Gray et al.
patent: 4773689 (1988-09-01), Wolters
patent: 4792172 (1988-12-01), Motanari et al.

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