Stabilizing system and methods for a drill bit

Details Stabilizing system and methods for a drill bit Stabilizing system and methods for a drill bit

2007-04-10

2007-04-10

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

Processes

C175S307000, C175S406000, C175S425000

Reexamination Certificate

active

11164755

ABSTRACT:
A drill bit stabilizing system comprising a body member having an axis and at least one recess formed in the body member housing at least one stabilizing member when in a first retracted position. The stabilizing member is positionable along a diagonal angle with the axis to a second extended operating position which extends downward and outward relative to the main body to selectively engage the surface of a pilot bore hole wall during a drilling operation so as to stabilize an under gauge drill bit used in association with the stabilizing system. The body member further comprises at least one fixed stabilizing surface positioned in an axially spaced relationship to the at least one moveable stabilizing member. The body member further comprises a gauge cutter positioned above the moveable stabilizing member and below the fixed stabilizing surface to expand the pilot hole to the final gauge.

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