JPS60124272U

JPS60124272U - brush holder

Info

Publication number: JPS60124272U
Application number: JP944484U
Authority: JP
Inventors: 大宮　末男; 山川　典夫
Original assignee: 日立化成工業株式会社
Priority date: 1984-01-25
Filing date: 1984-01-25
Publication date: 1985-08-21

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図は本考案の一実施例になる刷子保持器の側面図、
第２図は第１図に示す刷子保持器のマイクロスイッチに
接続する電気回路図、第３図は第１図に示す刷子保持器
の使用開始時における要部拡大側面図、第４図は第１図
に示す刷子保持器の刷子摩耗限界時における要部拡大側
面図である。符号の説明、１・・・刷子保持器ケース、２・・・刷子
押し金具、３・・・刷子押し板、４・・・圧力調整部品
、５・・・刷子、６・・・整流子、７・・・押し具、８
・・・マイクロスイッチ、８ａ、８ｂ・・・端子、９・
・・支え板、１　　　　′０・・・リベット、１１・・
・ねじ、１２・・・切欠部、１３・・・作動子、１４・
・・警報器、１５・・・電源。FIG. 1 is a side view of a brush holder that is an embodiment of the present invention.
Fig. 2 is an electric circuit diagram connected to the microswitch of the brush holder shown in Fig. 1, Fig. 3 is an enlarged side view of the essential parts of the brush holder shown in Fig. 1 at the beginning of use, and Fig. 4 is an FIG. 2 is an enlarged side view of a main part of the brush holder shown in FIG. 1 at the brush wear limit. Explanation of symbols, 1... Brush holder case, 2... Brush pusher fitting, 3... Brush pusher plate, 4... Pressure adjustment part, 5... Brush, 6... Commutator, 7... Push tool, 8
...Micro switch, 8a, 8b...terminal, 9.
・・Support plate, 1′0・・Rivet, 11・・
・Screw, 12... Notch, 13... Operator, 14.
...Alarm, 15...Power supply.

Claims

[Scope of utility model registration request]

A microswitch connected to the brush wear limit indicator is fixed to the side of the brush holder case, and when the brush reaches the wear limit, the brush pressing member on the brush holding surface comes into contact with the microswitch to prevent the wear. Brush holder fitted with pusher to activate limit indicator.