Title:
BRUSH CARD ASSEMBLY, AND METHOD OF MANUFACTURING BRUSH CARD ASSEMBLY
Document Type and Number:
Japanese Patent JP2014239584
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technique of enhancing the workability when assembling a brush card assembly or when assembling a brush card assembly and a rotor, while reducing the possibility of cracking a brush.SOLUTION: A first groove recessed radially inward and elongating in the circumferential direction is provided at the other end of a brush, and an exposed part not covered with a brush holder is provided at least in the vicinity of the other end of a brush. The exposed part has a second groove elongating radially while being recessed in the circumferential direction. Radial outer end of the second groove is connected with the first groove, and the other end of a press member has a contact part bending toward the center of a hole, and a portion of the contact part is in contact with the first groove, in a brush card assembly.
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Inventors:
FUJITA TORU
MAEDA MASAYOSHI
GUNTER KINLEY
JUERGEN SCHMID
THOMAS KUEBLER
MAEDA MASAYOSHI
GUNTER KINLEY
JUERGEN SCHMID
THOMAS KUEBLER
Application Number:
JP2013120162A
Publication Date:
December 18, 2014
Filing Date:
June 06, 2013
Export Citation:
Assignee:
NIHON DENSAN KK
NIDEC MOTORS & ACTUATORS GERMANY GMBH
NIDEC MOTORS & ACTUATORS GERMANY GMBH
International Classes:
H02K13/00; H01R39/04
Domestic Patent References:
JP2008172942A | 2008-07-24 | |||
JP2008172943A | 2008-07-24 | |||
JP2008220079A | 2008-09-18 | |||
JP2009033956A | 2009-02-12 |
Foreign References:
US4163167A | 1979-07-31 | |||
EP2031738A1 | 2009-03-04 |
Attorney, Agent or Firm:
Hideaki Kitamura