Self-adjusting bit basket

Details Self-adjusting bit basket Self-adjusting bit basket

E - Fixed Constructions

21

B

255/14.7

E21B 19/18 (2006.01) E21B 19/16 (2006.01)

Patent

CA 1276008

ABSTRACT OF THE DISCLOSURE SELF ADJUSTING BIT BASKET A bit basket mounted on a drilling rig for making and breaking drill string connections. A movable "Y"-like shaped cam is swivelly mounted within a body. Drill string components, such as drill bits and hammers, extend into the basket. The cam has an arcuate engaging face with two tip ends. The cam is thrown so as to engage and hold the component stationary. The connection is then made or broken by the requisite rotation of the drill string by the drilling rig.

527901

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