JPS5934476U - Brush wear end stage indicator - Google Patents

Brush wear end stage indicator

Info

Publication number
JPS5934476U
JPS5934476U JP12752182U JP12752182U JPS5934476U JP S5934476 U JPS5934476 U JP S5934476U JP 12752182 U JP12752182 U JP 12752182U JP 12752182 U JP12752182 U JP 12752182U JP S5934476 U JPS5934476 U JP S5934476U
Authority
JP
Japan
Prior art keywords
brush
end stage
brush wear
wear end
stage indicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12752182U
Other languages
Japanese (ja)
Inventor
井上　信男
Original Assignee
株式会社日立製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP12752182U priority Critical patent/JPS5934476U/en
Publication of JPS5934476U publication Critical patent/JPS5934476U/en
Pending legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の一実施例のブラシ摩耗末期表示装置のブロ
ックダイヤグラムである。 １・・・モータ、２・・・バッテリ、５・・・ブラシ、
７・・・ブラシ摩耗末期表示装置。The figure is a block diagram of a brush wear end stage display device according to an embodiment of the present invention. 1...Motor, 2...Battery, 5...Brush,
7...Brush wear end stage display device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータ用ブラシとブラシホルダー及びモータのコンミュ
テータより成る構造においてブラシとコンミュテータ間
に生じる整流火花を光電変換素子を設ける事によって検
出できる様に構成した事を特徴とするブラシの摩耗末期
表示装置。A brush end-of-wear indicator is characterized in that in a structure consisting of a motor brush, a brush holder, and a motor commutator, rectifying sparks generated between the brush and the commutator can be detected by providing a photoelectric conversion element.
JP12752182U 1982-08-25 1982-08-25 Brush wear end stage indicator Pending JPS5934476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12752182U JPS5934476U (en) 1982-08-25 1982-08-25 Brush wear end stage indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12752182U JPS5934476U (en) 1982-08-25 1982-08-25 Brush wear end stage indicator

Publications (1)

Publication Number Publication Date
JPS5934476U true JPS5934476U (en) 1984-03-03

Family

ID=30289597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12752182U Pending JPS5934476U (en) 1982-08-25 1982-08-25 Brush wear end stage indicator

Country Status (1)

Country Link
JP (1) JPS5934476U (en)

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