Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 7, 2009
Patent Application Number
10929141
Date Filed
August 27, 2004
Patent Primary Examiner
Patent abstract
In a hydraulic tensioner, a check valve unit is recessed in a check valve unit-accommodating hole formed at the rear end of a plunger-accommodating hole. A plunger-biasing spring extends into the check valve unit-accommodating hole, and is seated on a flat front surface of the check valve unit. The rear portion of the plunger-biasing spring is prevented from lateral movement by the side wall of the check valve unit-accommodating hole.
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