Bi-directional grip mechanism for a wide range of bore sizes

Details Bi-directional grip mechanism for a wide range of bore sizes Bi-directional grip mechanism for a wide range of bore sizes

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 17/10 (2006.01) E21B 23/04 (2006.01) E21B 23/14 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2396822

A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an inside wall of a conduit and adapted to selectively lock the arm in an extended position.

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