The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2022
Filed:
Sep. 10, 2020
Jtekt Corporation, Osaka, JP;
Fuji Kiko Co., Ltd., Kosai, JP;
Tomonori Sugiura, Yamatokoriyama, JP;
Kentaro Kikuiri, Kashihara, JP;
Yuta Kiguchi, Hamamatsu, JP;
Kota Higuchi, Hamamatsu, JP;
JTEKT CORPORATION, Osaka, JP;
FUJI KIKO CO., LTD., Kosai, JP;
Abstract
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.