B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 13/50 (2006.01) B25B 5/14 (2006.01) E21B 19/16 (2006.01)
Patent
CA 2440579
An apparatus to be used in a gripping assembly for gripping a cylindrical member is disclosed. The apparatus includes a jaw body, a gripping insert, and a rotatable camming member disposed between the jaw body and gripping insert. The rotatable camming member rotates in response to the applied clamping and rotational forces of the gripping assembly and operates to intensify the force provided by the jaw to the gripping insert which is engaged with a cylindrical member.
La présente invention concerne un dispositif devant servir dans un élément de préhension pour saisir un élément cylindrique. Le dispositif comprend une mâchoire, une pièce de préhension et un élément rotatif commandé par came situé entre le corps de la mâchoire et la pièce de préhension. L'élément rotatif commandé par came tourne en réponse aux forces d'ablocage et de rotation appliquées de l'élément de préhension et fonctionne de manière à intensifier la force qu'apporte la mâchoire à la pièce de préhension engagée dans un élément cylindrique.
Deeth Williams Wall Llp
National Oilwell Varco L.p.
National-Oilwell L.p.
LandOfFree
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