Friction dampener particularly adapted to railway vehicle motion control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6397985
SERIAL NO

09827651

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A friction dampener can include a housing having one end slidably surrounding one end of a shaft movable relative thereto. Opposing ends of the housing and shaft can each having a connecting eye member for connection to separate independently movable elements. One or more friction elements can be carried by the shaft which frictionally engage inner surfaces of the housing. The friction elements can have inner and outer portions having different material properties. The housing can be adapted to generally maintain the pressure between the friction elements and the housing within a range of desirable pressures.

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Patent Owner(s)

Patent OwnerAddress
KASGRO RAIL CORPNEW CASTLE PA

International Classification(s)

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  • 2001 Application Filing Year
  • F16F Class
  • 403 Applications Filed
  • 154 Patents Issued To-Date
  • 38.22 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200120022003200420052006200720082009201020110255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wiebe, Donald Sewickley, PA 16 457

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Patent Citation Ranking

  • 8 Citation Count
  • F16F Class
  • 1.17 % this patent is cited more than
  • 23 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4182973815311101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 80100 +0102030405060708090100110120130140150160170180190200

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