Title:
BEARING
Document Type and Number:
WIPO Patent Application WO/2023/176066
Kind Code:
A1
Abstract:
A bearing (B1) includes a plurality of rolling elements (6) and a cage (7) for holding the rolling elements (6). The cage (7) includes a first cage (7A) and a second cage (7B). The first cage (7A) is formed in the shape of a flexible tube provided with a plurality of first openings (A1). In a state in which the first cage (7A) is attached to a cam member (5) together with the rolling elements (6), at least on the long axis side of the cam member (5), the rolling elements (6) are held from the outer circumferential side of the first cage (7A) by first bridging portions (72a) formed between the first openings (A1), and the rolling elements (6) are rotatably exposed to the outer circumferential side of the first cage (7A) through the openings (A1). The second cage (7B) is formed in the shape of a flexible tube provided with a plurality of second openings (A2). The rolling elements (6) are held from the inner circumferential side of the second cage (7B) by second bridging portions (72b) formed between the second openings (A2), and the rolling elements (6) are rotatably exposed to the inner circumferential side of the second cage (7B) through the second openings (A2).
Inventors:
KAMIYAMA RYO (JP)
ISHIZUKA KAZUO (JP)
ISHIZUKA KAZUO (JP)
Application Number:
PCT/JP2022/045747
Publication Date:
September 21, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
KK RIKEN (JP)
International Classes:
F16C33/38; F16C19/06; F16C33/46; F16H1/32
Foreign References:
| JP2007527968A | 2007-10-04 | |||
| JP2006144839A | 2006-06-08 | |||
| JPS62258242A | 1987-11-10 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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