JPS58105774U

JPS58105774U - brush device

Info

Publication number: JPS58105774U
Application number: JP236182U
Authority: JP
Inventors: 泰一中川
Original assignee: 三菱電機株式会社
Priority date: 1982-01-11
Filing date: 1982-01-11
Publication date: 1983-07-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のブラシ装置を示す正面図、第２図は第１
図の線■−■における側断面図、第３図はこの考案に係
るブラシ装置の一実施例を示す正面図、第４図は第３図
の線ＩＶ−ＩＶにおける側断面図、第５図はこの考案に
係るブラシ装置の他の実施例を示す部分側断面図である
。図において、各図中同一部分は同一符号を付しており、
１・・・整流子、２・・・ブラシ、２０１・・・弓形溝
、３・・・ブラシばね、３０１・・・一端部、５・・・
コー　　　−ティング部材である。Figure 1 is a front view of a conventional brush device, and Figure 2 is a front view of a conventional brush device.
3 is a front view showing an embodiment of the brush device according to the invention, FIG. 4 is a side sectional view taken along line IV--IV in FIG. 3, and FIG. FIG. 2 is a partial side sectional view showing another embodiment of the brush device according to the invention. In the figures, the same parts in each figure are given the same reference numerals.
DESCRIPTION OF SYMBOLS 1... Commutator, 2... Brush, 201... Arcuate groove, 3... Brush spring, 301... One end, 5...
It is a coating member.

Claims

[Scope of utility model registration request]

(1) A brush whose one end surface is pressed against a commutator of a rotating electrical machine;
and a brush spring installed on one side of the brush, one end of which presses the other end of the brush, the other end of the brush having a deep central portion in a direction perpendicular to the direction in which the one end of the brush spring extends. A brush device with arcuate grooves.

(2) The brush device according to claim (1), wherein the surface of the arcuate groove is covered with a coating member.

(3) The brush device according to claim (1), wherein the surface of the arcuate groove is covered with a thin steel plate.