US Patent 7540816 Plastic hydraulic tensioner
Patent 7540816 was granted and assigned to Tsubakimoto Chain on June, 2009 by the United States Patent and Trademark Office.
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Patent abstract
In a plastic hydraulic tensioner having an oil reservoir formed as a recess in a portion of a synthetic resin tensioner body adapted to engage a tensioner mounting surface on an engine block, metal bushings are insert-molded in the synthetic resin tensioner body for receiving mounting bolts by which the tensioner is secured to an engine block. The outer circumferential surface of each bushing is provided with at least one flat portion or at least one concave groove, and a protruding portion of the bushing is formed adjacent the end of the flat or groove remote from the engine block-contacting end of the bushing.
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US Patent 07540816 Plastic hydraulic tensioner US Patent 7540816 Plastic hydraulic tensioner
Infobox
Patent Number
0754081600
Patent Number
754081600
Edits on 7 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075408160
Date of Patent
June 2, 2009
0Patent Application Number
114517840
Date Filed
June 13, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075408160
Date of Patent
June 2, 2009
0Patent Application Number
114517840
Date Filed
June 13, 2006
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07540816 Plastic hydraulic tensioner
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07540816
Date of patent
June 2, 2009
Patent application number
11451784
Date Filed
June 13, 2006
Patent primary examiner
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