STEERING COLUMN DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20210078626A1
SERIAL NO

17016696

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A steering column device includes a cylindrical inner tube, and a cylindrical outer tube which is fixed to the inner tube by being externally fitted to slide in an axial direction of the inner tube and being elastically reduced in diameter, wherein the outer tube is configured to have a first slit and a second slit to be reduced in diameter. A stress alleviation portion is provided at the second slit. A contour shape of the stress alleviation portion is set to include an elliptic arc-shaped portion of which a direction of a major axis is a direction intersecting the second slit.

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Patent Owner(s)

Patent OwnerAddress
JTEKT COLUMN SYSTEMS CORPORATION2028 WASHIZU KOSAI-SHI SHIZUOKA 431-0431

International Classification(s)

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  • 2020 Application Filing Year
  • B62D Class
  • 2806 Applications Filed
  • 1944 Patents Issued To-Date
  • 69.29 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higuchi, Kota Hamamatsu-shi, JP 3 0
KIGUCHI, Yuta Hamamatsu-shi, JP 3 0
KIKUIRI, Kentaro Kashihara-shi, JP 4 13
SUGIURA, Tomonori Yamatokoriyama-shi, JP 53 301

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Patent Citation Ranking

  • 0 Citation Count
  • B62D Class
  • 0 % this patent is cited more than
  • 4 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8938151101 - 1011 - 20050100150200250300350400450500550600650700750800850900950

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