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Title:
SLIP RING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138905
Kind Code:
A1
Abstract:
Provided is a slip ring device provided with: a slip ring module having a slip ring with which a resin molded article is integrated on an outer periphery near one end of a cylindrical shape by insert molding and which is electrically in contact with a fixed-side brush, the slip ring module also having a connection terminal of which one end is connected to the slip ring and the other end protrudes toward the other end of the cylindrical shape, and a seal ring mounted on an outer peripheral part between the slip ring and the other end of the connection terminal; and a seal member provided to a housing accommodating a motor mechanism part that is connected to the other end of the connection terminal, or provided to a finishing member secured to said housing, the seal member being in contact with the seal ring; wherein the seal ring comprises a steel-based metal and is configured to be integrated with the resin molded article by insert molding together with the slip ring and the connection terminal.

Inventors:
SAOTOME Masataka (5-3 Hikarinooka, Yokosuka-sh, Kanagawa 60, 〒2398560, JP)
NISHIDA Ryuhei (5-3 Hikarinooka, Yokosuka-sh, Kanagawa 60, 〒2398560, JP)
HIRANO Yoichi (5-3 Hikarinooka, Yokosuka-sh, Kanagawa 60, 〒2398560, JP)
Application Number:
JP2018/048130
Publication Date:
July 18, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
NIFCO INC. (5-3 Hikarinooka, Yokosuka-shi Kanagawa, 60, 〒2398560, JP)
International Classes:
H02K5/10; H01R39/00; H02K9/19; H02K13/00
Domestic Patent References:
WO2013132626A12013-09-12
WO2013118273A12013-08-15
Foreign References:
JP5564334B22014-07-30
JP2015130756A2015-07-16
JP2015204700A2015-11-16
JP2016149866A2016-08-18
JP2014017890A2014-01-30
JP2003244898A2003-08-29
JPH05130757A1993-05-25
Attorney, Agent or Firm:
OGAWA Toshiharu et al. (3rd Floor, PMO Kanda-Tsukasamachi 2-8-1, Kanda-Tsukasamachi, Chiyoda-k, Tokyo 48, 〒1010048, JP)
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