Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary Johnston0
Date of Patent
November 23, 2010
0Patent Application Number
115495000
Date Filed
October 13, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An expansion member for a rotary expansion tool comprises a spindle adapted to be supported at both ends, and a roller mounted concentrically on the spindle. A sealed lubrication system is contained within the spindle for supplying lubricant to a bearing or bearing surface at an interface between the spindle and the roller.
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