Title:
LOAD-VARIABLE ROLLING BEARING, AND ROLLING ELEMENT FOR LOAD-VARIABLE ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2022/225086
Kind Code:
A1
Abstract:
The present invention relates to a load-variable rolling bearing (100) and a rolling element (130) for the load-variable rolling bearing, the rolling bearing comprising: a ring-shaped outer race (110) having an outer raceway (111) recessed at the inner diameter surface thereof; a ring-shaped inner race (120) having an inner raceway (121) recessed at the outer diameter surface thereof; and a plurality of rolling elements (130) aligned between the outer raceway (111) and the inner raceway (121) in the circumferential direction, wherein the rolling element (130) includes a cylindrical rolling element variable contact part (133), and rolling element spherical parts (131) provided on both sides of the rolling element variable contact part (133) and formed as a convex spherical surface, the outer raceway (111) includes outer raceway spherical contact parts (111-1) having a cross section formed in a concave circular arc shape, and a cylindrical outer raceway variable contact part (111-3) positioned to be adjacent to the outer raceway spherical contact parts (111-1) in the axial direction, the inner raceway (121) includes inner raceway spherical contact parts (121-1) having a cross section formed in a concave circular arc shape, and a cylindrical inner raceway variable contact part (121-3) positioned to be adjacent to the inner raceway spherical contact parts (121-1) in the axial direction, the rolling element spherical part (131) is positioned between the outer raceway spherical contact part (111-1) and the inner raceway spherical contact part (121-1), and the rolling element variable contact part (133) is positioned between the outer raceway variable contact part (111-3) and the inner raceway variable contact part (121-3).
Inventors:
LEE YOUNG KEUN (KR)
SIN HYUN YUI (KR)
SIN HYUN YUI (KR)
Application Number:
PCT/KR2021/005161
Publication Date:
October 27, 2022
Filing Date:
April 23, 2021
Export Citation:
Assignee:
LEE YOUNG KEUN (KR)
SIN HYUN YUI (KR)
SIN HYUN YUI (KR)
International Classes:
F16C19/50; F16C43/04
Foreign References:
| JP2009074600A | 2009-04-09 | |||
| CN203962681U | 2014-11-26 | |||
| KR100724826B1 | 2007-06-04 | |||
| JPH11182540A | 1999-07-06 | |||
| JP2004251323A | 2004-09-09 | |||
| KR20210098633A | 2021-08-11 |
Attorney, Agent or Firm:
PATENT LAW FIRM GRAND KOREA (KR)
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