Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Hall0
Ashok Tamang0
Casey Webb0
Date of Patent
May 19, 2009
0Patent Application Number
121692880
Date Filed
July 8, 2008
0Patent Primary Examiner
Patent abstract
A drill bit assembly has a bit body intermediate a shank and a working face. At least one wear resistant insert is press-fitted within a pocket formed in an outer surface of the bit. An urging element is disposed between the outer surface and a bore of the bit and the urging element is adapted to push the insert away from the bore.
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