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JPS59183709U - Safety device for electric drill - Google Patents

Safety device for electric drill

Info

Publication number
JPS59183709U
JPS59183709U JP7734583U JP7734583U JPS59183709U JP S59183709 U JPS59183709 U JP S59183709U JP 7734583 U JP7734583 U JP 7734583U JP 7734583 U JP7734583 U JP 7734583U JP S59183709 U JPS59183709 U JP S59183709U
Authority
JP
Japan
Prior art keywords
circuit
electric drill
drill
buzzer
safety device
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.)
Granted
Application number
JP7734583U
Other languages
Japanese (ja)
Other versions
JPS6237602Y2 (en
Inventor
勝 吉田
Original Assignee
河村電器産業株式会社
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 河村電器産業株式会社 filed Critical 河村電器産業株式会社
Priority to JP7734583U priority Critical patent/JPS59183709U/en
Publication of JPS59183709U publication Critical patent/JPS59183709U/en
Application granted granted Critical
Publication of JPS6237602Y2 publication Critical patent/JPS6237602Y2/ja
Granted legal-status Critical Current

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  • Drilling And Boring (AREA)

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]

第１図は本考案の一実施例の電気回路図である。 ２・・・零相変流器、３，４・・・接点、５・・・漏電
遮断器、６・・・電気ドリル、８・・・降圧トランス、
９・・・フォトサイリスタ、１１・・・ドリル、１７・
・・ブザー、１８・・・擬似漏洩回路。FIG. 1 is an electrical circuit diagram of an embodiment of the present invention. 2... Zero-phase current transformer, 3, 4... Contact, 5... Earth leakage breaker, 6... Electric drill, 8... Step-down transformer,
9... Photothyristor, 11... Drill, 17.
...Buzzer, 18...pseudo leakage circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電気ドリルのドリルと導通する部分とグランドとの間に
低電圧を印加した状態においてドリルが接地したときの
接地電流によって作動するスイッチング回路と、該スイ
ッチング回路の作動によってブザーを作動させるブザー
回路と、該ブザー回路を電気ドリルの電源回路に接続さ
れた漏電遮断器の零相変流器の１次コイルとする電源遮
断回路とのそれぞれを備えることを特徴とする電気ドリ
ル用安全装置。A switching circuit that is activated by a ground current when the drill is grounded while a low voltage is applied between the part of the electric drill that conducts with the drill and the ground, and a buzzer circuit that activates a buzzer by the operation of the switching circuit. and a power cutoff circuit in which the buzzer circuit is a primary coil of a zero-phase current transformer of an earth leakage breaker connected to a power supply circuit of the electric drill.
JP7734583U 1983-05-24 1983-05-24 Safety device for electric drill Granted JPS59183709U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7734583U JPS59183709U (en) 1983-05-24 1983-05-24 Safety device for electric drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7734583U JPS59183709U (en) 1983-05-24 1983-05-24 Safety device for electric drill

Publications (2)

Publication Number Publication Date
JPS59183709U true JPS59183709U (en) 1984-12-07
JPS6237602Y2 JPS6237602Y2 (en) 1987-09-25

Family

ID=30207376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7734583U Granted JPS59183709U (en) 1983-05-24 1983-05-24 Safety device for electric drill

Country Status (1)

Country Link
JP (1) JPS59183709U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013000863A (en) * 2011-06-20 2013-01-07 Hitachi Koki Co Ltd Electric tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583609U (en) * 1981-06-26 1983-01-11 三洋電機株式会社 Shock noise prevention circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583609U (en) * 1981-06-26 1983-01-11 三洋電機株式会社 Shock noise prevention circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013000863A (en) * 2011-06-20 2013-01-07 Hitachi Koki Co Ltd Electric tool

Also Published As

Publication number Publication date
JPS6237602Y2 (en) 1987-09-25

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