Title:
STEERING SHAFT AND METHOD FOR MANUFACTURING STEERING SHAFT
Document Type and Number:
WIPO Patent Application WO/2022/050306
Kind Code:
A1
Abstract:
A steering shaft comprising an inner shaft having a first toothed portion, an outer shaft having a second toothed portion, and a resin layer. The resin layer has a plurality of thick film parts and at least four thin film parts. The thick film parts are arranged with a gap with respect to the second toothed portion, and the thin film parts are in contact with both the first toothed portion and the second toothed portion. The thickness of the thin film part is smaller than the thickness of the thick film part in a cross-section perpendicular to the center axis of the inner shaft.
Inventors:
MORIYAMA SEIICHI (JP)
KANOU TETSUYA (JP)
KANOU TETSUYA (JP)
Application Number:
PCT/JP2021/032109
Publication Date:
March 10, 2022
Filing Date:
September 01, 2021
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16D3/06; B62D1/02; F16D1/02
Domestic Patent References:
| WO2015015952A1 | 2015-02-05 |
Foreign References:
| JP2008002630A | 2008-01-10 | |||
| JP2017025964A | 2017-02-02 | |||
| JPH05157119A | 1993-06-22 | |||
| JP2019084859A | 2019-06-06 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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