Rocker Arm Shaft with Improved Abrasion Resistance and Rocker Arm Shaft/Bush Assembly Comprising Same

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United States of America Patent

APP PUB NO 20130239741A1
SERIAL NO

13988075

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Abstract

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The present disclosure relates to a rocker arm shaft and a rocker arm shaft/bush assembly including a rocker arm shaft, and a rocker arm bush which encloses the rocker arm shaft, in which the rocker arm shaft has a surface on which minutely processed concave-convex portions are formed, thereby achieving excellent lubricative characteristics and as a result having excellent abrasion resistance.

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Patent Owner(s)

Patent OwnerAddress
DOOSAN INFRACORE CO LTD7-11 HWASU-DONG DONG-GU INCHEON

International Classification(s)

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  • 2011 Application Filing Year
  • F16H Class
  • 1649 Applications Filed
  • 1291 Patents Issued To-Date
  • 78.29 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Sung Gi Seoul, KR 41 665
Oh, Seok Ju Gyeonggi-do, KR 2 48

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges786661133759224301 - 1011 - 2021 - 3031 - 4041 - 5061 - 7071 - 8091 - 100100 +050100150200250300350400450500550600650700

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