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Patent Searching and Data


Title:
ROTATION TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138933
Kind Code:
A1
Abstract:
This rotation transmission device comprises: a bi-directional clutch (10) that engages and releases a first shaft (S1) and a second shaft (S2) which are coaxially disposed; and an electromagnetic clutch (40) that controls the engaging and releasing of the bi-directional clutch (10). The bi-directional clutch (10) comprises: an internal member (1) provided on the first shaft (S1); an external member (2) provided on the second shaft (S2); a retainer (3); a roller (4); a neutral-retaining elastic member (5) that impels the retainer (3) to a neutral position at which the roller (4) is released from engagement; and a securing member (20) that is provided on both sides of the retainer (3) in the shaft direction and that allows the roller (4) to move only in the direction that is parallel to a cam surface (1a).

Inventors:
SATO KOJI (JP)
Application Number:
PCT/JP2018/048441
Publication Date:
July 18, 2019
Filing Date:
December 28, 2018
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16D41/08; F16D27/112
Foreign References:
JP2002221241A2002-08-09
JPH0343130U1991-04-23
JPH0694054A1994-04-05
JP2001355657A2001-12-26
JP2001059531A2001-03-06
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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