Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 12, 2008
Patent Application Number
11558835
Date Filed
November 10, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A degradation assembly has an attack tool with a body and a shank. The body has a wear resistant tip with a hardness of at least 60 HRc. The shank is disposed within a bore of a holder secured to a driving mechanism. A retainer sleeve is disposed around the shank of the attack tool, wherein an annular gap of 0.002 to 0.010 inches exists between at least a portion of the sleeve and the shank.
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