Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Hall1
Date of Patent
May 25, 2010
1Patent Application Number
118297611
Date Filed
July 27, 2007
1Patent Citations Received
Patent Primary Examiner
Patent abstract
In one aspect of the present invention, a degradation assembly comprises a holder attached to a driving mechanism and comprises a longitudinal central bore. The bore comprises an opening at a distal end from the driving mechanism. A pick comprising a body intermediate a shank and an impact tip is connected to the holder, the shank being disposed in the central bore of the holder and the body extending from the opening of the bore. A tensioning mechanism is disposed within the bore and is adapted to put the shank in axial tension.
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