Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 22, 2011
Patent Application Number
12393889
Date Filed
February 26, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drill bit is provided that in one embodiment may include a blade profile having a cone section and one or more cutters on the cone section configured to retract from an extended position when an applied load on the drill bit reaches or exceeds a selected threshold. The drill bit is less aggressive when the cutters are in the retracted position compared to when the cutters are in the extended position.
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