Chain tensioner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10024401
APP PUB NO 20160186838A1
SERIAL NO

14970910

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An object of the present invention is to provide a chain tensioner that allows a necessary and sufficient amount of oil to be fed during restart following a long stoppage of oil feeding and that maintains a proper pressure, thus preventing possible noise and vibration. An oil storing chamber 123 is formed inside a plunger 120 and forward of a check valve 150 in a protruding direction of the plunger 120. A tensioner body 110 has an oil feeding hole 114 through which a cylindrical surface portion 113 of a plunger housing hole 111 communicates with an outside and a high-pressure discharge hole 115 through which a pressure oil chamber 101 in the plunger housing hole 111 communicates with the outside. A relief valve 160 that is opened under a high pressure is provided in the high-pressure discharge hole 115 and closer to the pressure oil chamber 101.

First Claim

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Patent Owner(s)

Patent OwnerAddress
TSUBAKIMOTO CHAIN COOSAKA JAPAN OSAKA

International Classification(s)

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  • 2015 Application Filing Year
  • F16H Class
  • 2867 Applications Filed
  • 2383 Patents Issued To-Date
  • 83.12 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurematsu, Yuji Osaka, JP 83 568

Cited Art Landscape

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Patent Citation Ranking

  • 4 Citation Count
  • F16H Class
  • 37.20 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges417661249431201 - 1011 - 2021 - 3031 - 4051 - 6081 - 9091 - 100050100150200250300350400450500550600650700

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