Title:
車輪用軸受装置
Document Type and Number:
Japanese Patent JP7308019
Kind Code:
B2
Abstract:
A vehicle wheel bearing device (1) is equipped with a cage (7) in which a pocket (Pt) is formed by adjacent pillar sections (7b) and a base section (7a) that is therebetween, and which retains a ball (8) in the pocket (Pt). Formed in the pillar sections (7b) are a claw portion (7e) and another short claw portion (7g) which project towards adjacent pillar sections, as well as a notched section (7i) cut toward the base section from the distal end radially inward of the claw portions of the pillar sections (7b). When viewed from the axial direction, the shortest length in the one claw portion (7e) to the center of the ball and the shortest length in the other short claw portion (7g) to the center of the ball are different.
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Inventors:
Sota Koizumi
Application Number:
JP2018169499A
Publication Date:
July 13, 2023
Filing Date:
September 11, 2018
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/41; F16C19/18; F16C33/44; F16C43/08
Domestic Patent References:
| JP2005180630A | ||||
| JP54165639U | ||||
| JP2009243609A | ||||
| JP2017194141A |
Attorney, Agent or Firm:
Patent Attorney Corporation Yanouchi Foreign Patent Office