Title:
INTERMEDIATE SHAFT OF VEHICLE STEERING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/060863
Kind Code:
A1
Abstract:
An intermediate shaft of a vehicle steering system according to the present invention comprises: a yoke tube in which a plurality of first grooves extending in the axial direction on the inner peripheral surface of one end thereof are formed to be spaced apart from each other along the circumferential direction; a yoke shaft in which a plurality of second grooves respectively opposed to the plurality of first grooves extend in the axial direction and are formed to be spaced apart from each other along the circumferential direction on the outer circumferential surface of one end thereof inserted into one end of the yoke tube; a plurality of balls inserted into the plurality of first grooves and the plurality of second grooves; and a sleeve member which is disposed between the yoke tube and the yoke shaft so as to rotatably support the plurality of balls. The sleeve member includes a plurality of ball support portions in which a plurality of ball mounting holes in which the plurality of balls are rotatably mounted are formed to be spaced apart from each other in the axial direction, and the plurality of ball support portions are formed in a columnar shape having a circular longitudinal section, such that the plurality of balls can be stably mounted and maintained in the plurality of ball mounting holes.
Inventors:
HONG SUNG JONG (KR)
WOO JONG HAK (KR)
HONG JIN YONG (KR)
KOO KWANG MO (KR)
WOO JONG HAK (KR)
HONG JIN YONG (KR)
KOO KWANG MO (KR)
Application Number:
PCT/KR2020/012941
Publication Date:
April 01, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
NAMYANG NEXMO CO LTD (KR)
International Classes:
B62D1/185; B62D5/02; F16C3/03
Foreign References:
| KR20170130981A | 2017-11-29 | |||
| KR20110032160A | 2011-03-30 | |||
| JP2007255639A | 2007-10-04 | |||
| KR20170020968A | 2017-02-27 | |||
| US20190078610A1 | 2019-03-14 |
Attorney, Agent or Firm:
SUAN INTELLECTUAL PROPERTY (KR)
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