Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randy R. Runquist0
John P. Maher0
Date of Patent
April 4, 2017
Patent Application Number
14344448
Date Filed
September 14, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure provides a back reamer roller cone that is configured so that the bearings assemblies therein can be relatively easily removed and replaced. Methods of replacing the bearing assemblies in a back reamer are also provided.
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