Patent ID: 7007992

Claim:
An internal tube gripping device comprising: a. a first gripping arm comprising an elongated section with a central axis and a gripping end attached thereto and an angled section extending non-parallel to said central axis and comprising a connecting end attached thereto; b. a second gripping arm, shaped substantially the same as said first gripping arm, but oriented in an opposite direction and pivotally attached to said first gripping arm; c. a separately formed first link member comprising first and second ends, said first end being pivotally connected to said connecting end of said first gripping arm; d. a separately formed second link member pivotally connected to said first link member and comprising first and second ends, said first end being pivotally connected to said connecting end of said second gripping arm; e. wherein said link members have front, rear, and mid-pivot apertures and said mid-pivot aperture is closer to said front pivot aperture than to said rear pivot aperture; and f. at least one tensioning member connected to said second ends of said first and second link members.