Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 22, 2009
Patent Application Number
12177556
Date Filed
July 22, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
In one aspect of the present invention, a degradation assembly comprises a shank with a forward end and a rearward end, the rearward end being adapted for attachment to a driving mechanism, with a shield rotatably attached to the forward end of the shank. The shield comprises an underside adapted for rotatable attachment to the shank and an impact tip disposed on an end opposing the underside. A seal is disposed intermediate the shield and the shank.
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