Title:
PRELOAD NUT ASSEMBLY HAVING LOOSENING PREVENTION STRUCTURE AND WHEEL BEARING COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/098182
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, a preload nut assembly for applying a preload to a bearing device is provided. The preload nut assembly according to an embodiment of the present invention may comprise: a preload nut which has a screw portion formed in the inner circumferential surface thereof and is coupled to the bearing device; a washer member which is coupled to the bearing device on one side of the preload nut; and a fastening clip for fastening the preload nut to the washer member. According to an embodiment of the present invention, the preload nut may include a first flange protruding outward in the radial direction. According to an embodiment of the present invention, the washer member is provided with a protrusion portion on the inner circumferential surface thereof, the protrusion portion protruding inward in the radial direction, and a plurality of coupling holes which are formed in a body and are spaced apart from one another in the circumferential direction. According to an embodiment of the present invention, the fastening clip may include a coupling unit coupled to the first flange of the preload nut, and an axial direction extension portion which is inserted in the coupling hole of the washer member.
Inventors:
LIM JONG KEUN (KR)
Application Number:
PCT/KR2021/016084
Publication Date:
May 12, 2022
Filing Date:
November 05, 2021
Export Citation:
Assignee:
ILJIN GLOBAL CO LTD (KR)
International Classes:
F16B39/24; F16C19/36; F16C43/04
Domestic Patent References:
| WO2000019111A2 | 2000-04-06 |
Foreign References:
| US4812094A | 1989-03-14 | |||
| US20110291468A1 | 2011-12-01 | |||
| JPH0932835A | 1997-02-04 | |||
| CN102628473A | 2012-08-08 |
Attorney, Agent or Firm:
MOA INTELLECTUAL PROPERTY LAW FIRM (KR)
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