Spline telescopic shaft and method for manufacturing the same and vehicle steering apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8753215
APP PUB NO 20110030496A1
SERIAL NO

12805497

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Abstract

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There is provided a spline telescopic shaft having first and second shafts that are fitted to each other slidably in an axial direction. First and second splines that engage with each other are respectively provided in the first and second shafts. A resin coating that is provided on at least a tooth surface of the first spline is fitted to a tooth surface of the second spline. The resin coating is subjected to heat fitting processing for sliding the first and second shafts in the axial direction under predetermined conditions, to fit a surface of the resin coating to the tooth surface of the second spline.

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Patent Owner(s)

Patent OwnerAddress
JTEKT MACHINE SYSTEMS CORPORATION2-34 MINAMI UEMATSU-CHO YAO-SHI OSAKA 581-0091

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tokioka, Ryoichi Kashiba, JP 14 113

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Patent Citation Ranking

  • 5 Citation Count
  • F16C Class
  • 15.40 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges914315774101 - 1011 - 2021 - 3031 - 4091 - 1000255075100125150175200225250275300325350375400425450475

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 17, 2025