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Title:
CARBON COMMUTATOR
Document Type and Number:
Japanese Patent JP2015223030
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a carbon commutator in which a mechanical junction and an electrical junction between a metal segment and a carbon segment are stabilized, and the carbon segment and the metal segment hardly separate from a molded resin part.SOLUTION: In a carbon commutator, a recessed part is formed on an external wall surface of a carbon segment, a first wedge part is formed at a position corresponding to the recessed part on the outside of a base part in a radial direction, a tip of a metal segment constitutes a second wedge part, and an upper side hold-down part and a lower side hold-down part are formed so as to surround the second wedge part at the inside of the base part in a radial direction. Accordingly, a mechanical junction and an electrical junction between a metal segment and a carbon segment can be stabilized, and the carbon segment and the metal segment can be hardly separated from a molded resin part.

Inventors:
TANAKA HIROAKI
ITO KATSUTOSHI
YAMADA YUICHI
HORISOKO SHINICHIRO
Application Number:
JP2014106261A
Publication Date:
December 10, 2015
Filing Date:
May 22, 2014
Export Citation:
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Assignee:
MITSUBA CORP
International Classes:
H02K13/00; H01R39/26
Domestic Patent References:
JP2007329994A2007-12-20
JP2008061350A2008-03-13
JPH08126258A1996-05-17
JPH0533666U1993-04-30
Attorney, Agent or Firm:
志賀 正武
鈴木 三義
鈴木 慎吾