Gripping apparatus for power tongs and backup tools

Details Gripping apparatus for power tongs and backup tools Gripping apparatus for power tongs and backup tools

1999-03-02

2000-09-12

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5716, 81 5718, B25B 1350

Patent

active

061161187

ABSTRACT:
Apparatus for gripping tubular members including self aligning gripping jaws with high coefficient of friction for resisting force applied to the elongated member to prevent rotation either clockwise or counterclockwise. Linear cams and cam rollers actuated by a fluid cylinder bring the gripping jaws to an elongated member, applying predetermined gripping force and retract the jaws for removal of the elongated member.

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