Title:
CROWN RETAINER AND BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2024/047920
Kind Code:
A1
Abstract:
A crown retainer has a circular ring section and a plurality of columns that project from the ring section to one side in the axial direction and are formed such that the columns are arranged along the circumferential direction. A pocket where one of a plurality of balls is placed is formed between adjacent columns. The inner surface of the pocket extends along a cylinder having a central axis parallel to the radial direction. At least a portion of the ring section corresponding to the bottom of the pocket has a projection that protrudes inward or outward in the radial direction.
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Inventors:
YAMAGATA SHIN (JP)
Application Number:
PCT/JP2023/013986
Publication Date:
March 07, 2024
Filing Date:
April 04, 2023
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C33/41; F16C19/06; F16C33/44
Foreign References:
| JP2011185439A | 2011-09-22 | |||
| JPH08114233A | 1996-05-07 | |||
| JP2003042161A | 2003-02-13 | |||
| JP2002242936A | 2002-08-28 | |||
| JP2013142424A | 2013-07-22 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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