JPS61178778U - - Google Patents
Info
- Publication number
- JPS61178778U JPS61178778U JP6344985U JP6344985U JPS61178778U JP S61178778 U JPS61178778 U JP S61178778U JP 6344985 U JP6344985 U JP 6344985U JP 6344985 U JP6344985 U JP 6344985U JP S61178778 U JPS61178778 U JP S61178778U
- Authority
- JP
- Japan
- Prior art keywords
- light
- boom
- receives
- light emitting
- alarm
- 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
Description
第１図は正面図、第２図は側面図、第３図はブ
ロツク線図である。
１……発光装置、２……受光装置、３……警報
器、Ｂ……ブーム、Ｃ……光幕。
FIG. 1 is a front view, FIG. 2 is a side view, and FIG. 3 is a block diagram. 1... Light emitting device, 2... Light receiving device, 3... Alarm, B... Boom, C... Light screen.
Claims (1)
成する発光装置と、 ブームの先端部に取付けられ、前記発光装置の
光を受けてＦＭ発信する受光装置と、 前記ＦＭ電波を受け、運転席近傍において警報
を発する警報器とを具備したブームの接近警報装
置。[Claims for Utility Model Registration] A light emitting device that scans a light beam in the vicinity of an obstacle to form a light curtain; A light receiving device that is attached to the tip of a boom and receives the light from the light emitting device and transmits an FM signal; A boom proximity warning device comprising: an alarm device that receives the FM radio waves and issues an alarm near the driver's seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6344985U JPS61178778U (en) | 1985-04-27 | 1985-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6344985U JPS61178778U (en) | 1985-04-27 | 1985-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61178778U true JPS61178778U (en) | 1986-11-07 |
Family
ID=30593605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6344985U Pending JPS61178778U (en) | 1985-04-27 | 1985-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61178778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019137987A (en) * | 2018-02-06 | 2019-08-22 | コベルコ建機株式会社 | Interference prevention device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4514113Y1 (en) * | 1969-03-03 | 1970-06-15 | ||
| JPS57145791A (en) * | 1981-03-05 | 1982-09-08 | Umeo Okabe | Alarm device for movement of crane hanger |
-
1985
- 1985-04-27 JP JP6344985U patent/JPS61178778U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4514113Y1 (en) * | 1969-03-03 | 1970-06-15 | ||
| JPS57145791A (en) * | 1981-03-05 | 1982-09-08 | Umeo Okabe | Alarm device for movement of crane hanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019137987A (en) * | 2018-02-06 | 2019-08-22 | コベルコ建機株式会社 | Interference prevention device |