JPS58155791U

JPS58155791U - brush retainer

Info

Publication number: JPS58155791U
Application number: JP5381282U
Authority: JP
Inventors: 片岡　憲二; 恒宣山本
Original assignee: 三菱電機株式会社
Priority date: 1982-04-12
Filing date: 1982-04-12
Publication date: 1983-10-18

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 the drawing]

第１図及び第２図は従来のブラシ保持器を示す側面図、
第３図はこの考案の一実施例によるブラシ保持器を示す
側面図、第４図は第３図のＩＶ−ＩＶ線における断面図
、第５図はこの考案に係るブラケットの摩耗限界状態を
示す断面図である。図において、３はブラシボックス、３ａは貫通孔、２３
はブラシ、１３ａは可動電気接点、１４は固定電気接点
、１５は絶縁物である。尚、図中同一符号は同一または
相当部分を示す。1 and 2 are side views showing a conventional brush holder;
Fig. 3 is a side view showing a brush holder according to an embodiment of this invention, Fig. 4 is a sectional view taken along the line IV-IV in Fig. 3, and Fig. 5 shows the wear limit state of the bracket according to this invention. FIG. In the figure, 3 is a brush box, 3a is a through hole, 23
13a is a movable electrical contact, 14 is a fixed electrical contact, and 15 is an insulator. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A brush having the function of a movable electrical contact, a brush box having a through hole formed at the wear limit position of the brush, and a brush box inserted into the through hole of the brush box and electrically isolated from the brush box by an insulator. , a fixed electric contact that maintains contact with the brush until the brush reaches a wear limit, and releases contact with the brush when the brush reaches the wear limit. retainer.