Title:
ROTATION TRANSMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/099244
Kind Code:
A1
Abstract:
A pair of rollers (15) and an elastic member (21) for biasing the pair of rollers (15) in the direction in which the pair of rollers separate from each other are built in between the cylindrical surface (12) formed at the inner periphery of an outer ring (11) and the cam surface (14) formed at the outer periphery of an inner ring (13). A retainer (16) for retaining the pair of rollers (15) and the elastic member (21) is formed by a control retainer (16A) and a rotation retainer (16B), the control retainer (16A) and the rotation retainer (16B) form a combination in which pillar parts (25, 29) formed at the outer peripheral parts of flanges (24, 28) are alternately arranged in a circumferential direction, a pocket (31) is formed between the adjacent pillar parts (25, 29), the pair of rollers (15) built in the pocket (31) is shifted to an engagement release position by being pressed by the pillar parts (25, 29) by the relative rotations of the control retainer (16A) and the rotation retainer (16B). The control retainer (16A) and the rotation retainer (16B) are of a built-in type with the pillar parts (25, 29) thereof disposed between the outer ring (11) and the inner ring (13) and the flanges (24, 28) thereof disposed outside the outer ring (11), thereby achieving a reduction in the length in the axial direction of the outer ring (11) and a reduction in weight.
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Inventors:
AKIYOSHI KOJI (JP)
SAITO TAKAHIDE (JP)
SAITO TAKAHIDE (JP)
Application Number:
PCT/JP2012/051207
Publication Date:
July 26, 2012
Filing Date:
January 20, 2012
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
AKIYOSHI KOJI (JP)
SAITO TAKAHIDE (JP)
AKIYOSHI KOJI (JP)
SAITO TAKAHIDE (JP)
International Classes:
F16D41/08; F16D27/112
Foreign References:
| JP2009293761A | 2009-12-17 | |||
| JP2005140294A | 2005-06-02 | |||
| JP2005344876A | 2005-12-15 | |||
| JP2002115730A | 2002-04-19 | |||
| JP2008196653A | 2008-08-28 | |||
| JP2006266505A | 2006-10-05 | |||
| JP2009144771A | 2009-07-02 | |||
| JPH10292829A | 1998-11-04 |
Attorney, Agent or Firm:
KAMADA Bunji et al. (JP)
Bunji Kamata (JP)
Bunji Kamata (JP)
Download PDF:
Claims: