Self-adjusting bit basket

Details Self-adjusting bit basket Self-adjusting bit basket

1988-01-14

1989-09-05

Massie, IV, Jerome W.

Wells

Above ground apparatus

With means facilitating connecting or disconnecting...

166 85, 285 39, E21B 1918

Patent

active

048629596

ABSTRACT:
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.

REFERENCES:
patent: 1113659 (1914-10-01), Lebus
patent: 2263267 (1941-11-01), Franklin
patent: 3258278 (1966-06-01), Miller, Jr.
patent: 3698266 (1972-10-01), Mader
patent: 4030542 (1977-06-01), Poe et al.
patent: 4111388 (1978-09-01), Presley
patent: 4305438 (1981-12-01), Spinosa et al.
patent: 4495840 (1985-01-01), Freitag et al.
patent: 4520879 (1985-05-01), MacElvain

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