Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidenori Hosoi0
Shigemi Shimizu0
Masatoshi Sagiya0
Date of Patent
January 1, 2008
0Patent Application Number
108981750
Date Filed
July 26, 2004
0Patent Primary Examiner
Patent abstract
A piston includes a piston body fitted into a cylinder bore and having a sliding peripheral surface disposed in sliding contact with the inner peripheral surface of the cylinder bore. The sliding peripheral surface of the piston body and the inner peripheral surface of the cylinder bore each have a noncircular cross-sectional form. The sliding peripheral surface of the piston body is formed by an elastically deformable sealing member.
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