JPS58132678U - power tool safety device - Google Patents
power tool safety deviceInfo
- Publication number
- JPS58132678U JPS58132678U JP2722682U JP2722682U JPS58132678U JP S58132678 U JPS58132678 U JP S58132678U JP 2722682 U JP2722682 U JP 2722682U JP 2722682 U JP2722682 U JP 2722682U JP S58132678 U JPS58132678 U JP S58132678U
- Authority
- JP
- Japan
- Prior art keywords
- safety device
- excitation coil
- power tool
- motor
- terminal
- 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
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
第１図は従来の電動工具の回路図、第２図は本考案の電
動工具安全装置の一実施例の回路図で、乙イ、つの順に
作動状態を示し、第３図は本考案の一実施例を電動工具
に実施した説明図、第４図は第３図の円１１で示す部分
の内部構造説明図を示す。
０１・・・・・・電ｔ０２・・・・・・スイッチ、０３
・・曲モータ、１・・・・・・差込みプラグ、２・・曲
スイッチ、３・・・・・・モータ、４・・・・・・自己
保持型電磁リレー、４ａ・・・・・・励磁コイル、４ｂ
・・・・・・接点、１ｏ・・・・・・グラインダ、１１
・・・・・・円、１３・・・・・・外カバー、１４・・
・・・・ステー、１５・・・・・・モータの入力端子。Fig. 1 is a circuit diagram of a conventional power tool, Fig. 2 is a circuit diagram of an embodiment of the power tool safety device of the present invention, showing the operating states in order of B and A, and Fig. 3 is a circuit diagram of an embodiment of the power tool safety device of the present invention. FIG. 4 is an explanatory diagram of the embodiment implemented in a power tool, and FIG. 4 is an explanatory diagram of the internal structure of the portion indicated by circle 11 in FIG. 3. 01... Electric t02... Switch, 03
...Song motor, 1...Plug, 2...Song switch, 3...Motor, 4...Self-holding electromagnetic relay, 4a... Excitation coil, 4b
...Contact, 1o...Grinder, 11
...Yen, 13...Outer cover, 14...
...Stay, 15...Motor input terminal.
Claims (1)
装備した電動工具において、上記電動モータと自己保持
型電磁リレーの励磁コイルとを並列に設け、同励磁コイ
ルの一方の端子を上記モータの一方の端子と接続して、
これと単相電源の一方と接続し、上記励磁コイルの他方
の端子は切換スイッチのコモンに接続されて上記モータ
と上記電源の他方の側と切換えると共に、上記励磁コイ
ル内接点の一方に上記電源の他方の側に接続され、接点
の他方は上記切換スイッチのコモンと接続されているこ
とを特徴とする電動工具安全装置。In an electric tool that includes an electric motor and has a tool mounted on the rotating shaft of the electric motor, the electric motor and an excitation coil of a self-holding electromagnetic relay are provided in parallel, and one terminal of the excitation coil is connected to the motor. Connect to one terminal of
This is connected to one side of the single-phase power supply, and the other terminal of the excitation coil is connected to the common of the changeover switch to switch between the motor and the other side of the power supply, and one of the contacts in the excitation coil is connected to the power supply. A power tool safety device characterized in that the other side of the contact is connected to the common of the changeover switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2722682U JPS58132678U (en) | 1982-03-01 | 1982-03-01 | power tool safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2722682U JPS58132678U (en) | 1982-03-01 | 1982-03-01 | power tool safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132678U true JPS58132678U (en) | 1983-09-07 |
Family
ID=30039143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2722682U Pending JPS58132678U (en) | 1982-03-01 | 1982-03-01 | power tool safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132678U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008264968A (en) * | 2007-04-24 | 2008-11-06 | Hitachi Koki Co Ltd | Nail driving machine |
| JP2008264969A (en) * | 2007-04-24 | 2008-11-06 | Hitachi Koki Co Ltd | Nail driving machine |
| JP2009233783A (en) * | 2008-03-27 | 2009-10-15 | Ryobi Ltd | Motor drive controller for driving power tool |
| JP2010277724A (en) * | 2009-05-26 | 2010-12-09 | Tempearl Ind Co Ltd | Power supply device |
| JP2010277725A (en) * | 2009-05-26 | 2010-12-09 | Tempearl Ind Co Ltd | Power supply device |
| JP4685758B2 (en) * | 2003-02-07 | 2011-05-18 | ブラック アンド デッカー インク | Method and system for detecting switch position to prevent inadvertent motor start-up |
| WO2017022361A1 (en) * | 2015-07-31 | 2017-02-09 | 日立工機株式会社 | Electric tool |
-
1982
- 1982-03-01 JP JP2722682U patent/JPS58132678U/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4685758B2 (en) * | 2003-02-07 | 2011-05-18 | ブラック アンド デッカー インク | Method and system for detecting switch position to prevent inadvertent motor start-up |
| JP2008264968A (en) * | 2007-04-24 | 2008-11-06 | Hitachi Koki Co Ltd | Nail driving machine |
| JP2008264969A (en) * | 2007-04-24 | 2008-11-06 | Hitachi Koki Co Ltd | Nail driving machine |
| JP2009233783A (en) * | 2008-03-27 | 2009-10-15 | Ryobi Ltd | Motor drive controller for driving power tool |
| JP2010277724A (en) * | 2009-05-26 | 2010-12-09 | Tempearl Ind Co Ltd | Power supply device |
| JP2010277725A (en) * | 2009-05-26 | 2010-12-09 | Tempearl Ind Co Ltd | Power supply device |
| WO2017022361A1 (en) * | 2015-07-31 | 2017-02-09 | 日立工機株式会社 | Electric tool |
| JPWO2017022361A1 (en) * | 2015-07-31 | 2018-04-19 | 日立工機株式会社 | Electric tool |
| US10744633B2 (en) | 2015-07-31 | 2020-08-18 | Koki Holdings Co., Ltd. | Power Tool |
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