JPH0452973U - - Google Patents
Info
- Publication number
- JPH0452973U JPH0452973U JP9634790U JP9634790U JPH0452973U JP H0452973 U JPH0452973 U JP H0452973U JP 9634790 U JP9634790 U JP 9634790U JP 9634790 U JP9634790 U JP 9634790U JP H0452973 U JPH0452973 U JP H0452973U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- engine
- positive side
- coil
- ground
- 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
Landscapes
- Handcart (AREA)
Description
第１図は本考案の実施例を示す作業機のエンジ
ン始動安全装置の大略を示すブロツク図。第２図
は同じく電気回路図である。第３図は草刈機の斜
視図。第４図はその部分断面図で、ステツプスイ
ツチの取付位置を示すものである。
１……エンジン点火回路、２……電子スイツチ
回路、３……ステツプスイツチ、１１……一次コ
イル。
FIG. 1 is a block diagram schematically showing an engine starting safety device for a working machine according to an embodiment of the present invention. FIG. 2 is also an electrical circuit diagram. Figure 3 is a perspective view of the mower. FIG. 4 is a partial sectional view showing the mounting position of the step switch. 1...Engine ignition circuit, 2...Electronic switch circuit, 3...Step switch, 11...Primary coil.
Claims (1)
スイツチ回路と常閉のステツプスイツチとの直列
回路を介して、アース端子に接続し、前記電子ス
イツチ回路を、点火コイルを流れる電流を検出し
てエンジン運転中はスイツチ開に作動すべく構成
し、始動時にステツプスイツチを非作動とした状
態でエンジン点火回路の一次コイル側の正側をア
ースに接続し運転中はステツプスイツチの開閉動
作に関係なく一次コイル側の正側をアースに非接
続としたことを特徴とする作業機のエンジン始動
安全装置。 The positive side of the primary coil of the engine ignition circuit is connected to the ground terminal via a series circuit of an electronic switch circuit and a normally closed step switch, and the electronic switch circuit is connected to the engine by detecting the current flowing through the ignition coil. The switch is configured to be open during operation, and the positive side of the primary coil of the engine ignition circuit is connected to ground with the step switch inactive at the time of start. An engine starting safety device for a working machine, characterized in that the positive side of the coil is not connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9634790U JPH0452973U (en) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9634790U JPH0452973U (en) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452973U true JPH0452973U (en) | 1992-05-06 |
Family
ID=31835810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9634790U Pending JPH0452973U (en) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452973U (en) |
-
1990
- 1990-09-13 JP JP9634790U patent/JPH0452973U/ja active Pending
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