JPH01166461U

JPH01166461U -

Info

Publication number: JPH01166461U
Application number: JP6244688U
Authority: JP
Priority date: 1988-05-12
Filing date: 1988-05-12
Publication date: 1989-11-21

Description

[Brief explanation of the drawing]

第１図ａ，ｂは本考案によるブラシ保持装置の
一実施例を示す正断面図および側断面図、第２図
は同実施例においてブラシホルダ内にブラシを押
し込んだ状態を示す側断面図、第３図ａは本考案
の他の実施例を示す側断面図、第３図ｂは金属プ
レートが取り付けられたブラシ部分の平面図、第
４図ａは本考案のさらに他の実施例を示す側面図
、第４図ｂはそのＡ―Ａ線に沿う断面図、第５図
ａ，ｂは従来のブラシ保持装置の一例を示す正断
面図および側断面図、第６図ａ，ｂは従来のブラ
シ保持装置の他の例を示す正断面図および側断面
図、第７図ａ，ｂおよび第８図ａ，ｂはそれぞれ
従来手段によるブラシの拘束状態、解放状態を示
す簡略図である。１……ブラシホルダ、２……ブラシ、３……ス
プリング、４……スリツプリング、８……リード
プレート、９……フツク部、１０……金属プレー
ト、１５……ガイド用突起、１６……ガイド用溝
。 1A and 1B are a front sectional view and a side sectional view showing an embodiment of the brush holding device according to the present invention, and FIG. 2 is a side sectional view showing a state in which the brush is pushed into the brush holder in the same embodiment. Figure 3a is a side sectional view showing another embodiment of the present invention, Figure 3b is a plan view of the brush portion to which the metal plate is attached, and Figure 4a is a further embodiment of the invention. A side view, FIG. 4b is a sectional view taken along line A-A, FIGS. 5a and b are front sectional views and side sectional views showing an example of a conventional brush holding device, and FIGS. A front sectional view and a side sectional view showing other examples of the brush holding device, FIGS. 7a and 7b, and FIGS. 8a and 8b are simplified diagrams showing a state in which the brush is restrained and a state in which it is released, respectively, by conventional means. DESCRIPTION OF SYMBOLS 1... Brush holder, 2... Brush, 3... Spring, 4... Slip ring, 8... Lead plate, 9... Hook portion, 10... Metal plate, 15... Guide protrusion, 16... Guide groove.

Claims

[Claims for Utility Model Registration] 1. A box-shaped brush holder made of an insulating material with one end open, and a brush holder that can be freely slid into the brush holder so that the tip of the brush comes out from the open end of the brush holder. A spring installed between the rear end of the brush and the brush holder that presses the brush so that the tip of the brush comes into contact with the slip ring, and a spring that presses the brush holder so that the side of the brush comes into contact with the brush holder. and a leaf spring member provided between the brush holder and the brush holder, and a hook part that can lock the brush tip when the brush is pushed into the brush holder against the spring. A brush holding device characterized in that it is formed on a spring member. 2. A leaf spring member is formed of a conductive material, and the leaf spring member is used as an external drawer lead member,
2. The brush holding device according to item 1, wherein the tip of the leaf spring member is made to protrude outside the brush holder, and the tip is used as an external connection terminal. 3. The brush holding device according to item 2 above, characterized in that a metal plate is attached to the side surface of the brush, and a plate spring member made of a conductive material is brought into contact with the metal plate. 4. The brush holder according to item 1 above, characterized in that a guide unevenness for sliding the brush in the direction of the slip ring is formed between the side surface of the brush pressed by the leaf spring member and the wall surface of the brush holder. Device.