JPH01174464U - - Google Patents
Info
- Publication number
- JPH01174464U JPH01174464U JP6831588U JP6831588U JPH01174464U JP H01174464 U JPH01174464 U JP H01174464U JP 6831588 U JP6831588 U JP 6831588U JP 6831588 U JP6831588 U JP 6831588U JP H01174464 U JPH01174464 U JP H01174464U
- Authority
- JP
- Japan
- Prior art keywords
- buzzer
- switching
- workbench
- circuit switching
- switches
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図は本考案に係わるバツクブザー装置を施
したパワーシヨベルの平面図で、第２図は本案装
置の回路図である。
１，１は走行レバー、２，３はブザースイツチ
、４，５は回路、６は切り替えリレー、７はバツ
クブザー、８は切り替えボツクス、１１は旋回テ
ーブル。
FIG. 1 is a plan view of a power shovel equipped with a backbuzzer device according to the present invention, and FIG. 2 is a circuit diagram of the device according to the present invention. 1 and 1 are travel levers, 2 and 3 are buzzer switches, 4 and 5 are circuits, 6 is a switching relay, 7 is a back buzzer, 8 is a switching box, and 11 is a turning table.
Claims (1)
前後一対のブザースイツチとこれら各々のブザー
スイツチに交互に導通する回路切り替えリレーと
、回路切り替えリレーに導通するバツクブザーと
、回路切り替えリレーの切り替え操作をする切り
替えボツクスを設けてあり、バツクブザーは作業
台の後部に配置し、切り替えボツクスは作業台の
下部に位置する旋回テーブルに突設した突起体に
より切り替え自在としたパワーシヨベルのバツク
ブザー装置。 A pair of front and rear buzzer switches that can be opened and closed by the forward and backward movement of the left and right travel levers, a circuit switching relay that alternately conducts to each of these buzzer switches, a back buzzer that conducts to the circuit switching relay, and a switching operation of the circuit switching relay. This back buzzer device for a power shovel is provided with a switching box for switching, the back buzzer is placed at the rear of the workbench, and the switching box can be switched freely by a protrusion protruding from a revolving table located at the bottom of the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6831588U JPH01174464U (en) | 1988-05-24 | 1988-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6831588U JPH01174464U (en) | 1988-05-24 | 1988-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174464U true JPH01174464U (en) | 1989-12-12 |
Family
ID=31293640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6831588U Pending JPH01174464U (en) | 1988-05-24 | 1988-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174464U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255660B2 (en) * | 1980-04-08 | 1987-11-20 | Ricoh Kk |
-
1988
- 1988-05-24 JP JP6831588U patent/JPH01174464U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255660B2 (en) * | 1980-04-08 | 1987-11-20 | Ricoh Kk |
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