JPH03111642U - - Google Patents
Info
- Publication number
- JPH03111642U JPH03111642U JP1799090U JP1799090U JPH03111642U JP H03111642 U JPH03111642 U JP H03111642U JP 1799090 U JP1799090 U JP 1799090U JP 1799090 U JP1799090 U JP 1799090U JP H03111642 U JPH03111642 U JP H03111642U
- Authority
- JP
- Japan
- Prior art keywords
- power shovel
- light
- bucket
- light emitting
- light receiving
- 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
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799090U JPH03111642U (enExample) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799090U JPH03111642U (enExample) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111642U true JPH03111642U (enExample) | 1991-11-15 |
Family
ID=31752845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1799090U Pending JPH03111642U (enExample) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111642U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005155680A (ja) * | 2003-11-20 | 2005-06-16 | Hiroshi Shimokawa | 埋設管の敷設方法及びそれに使用する敷設装置 |
-
1990
- 1990-02-23 JP JP1799090U patent/JPH03111642U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005155680A (ja) * | 2003-11-20 | 2005-06-16 | Hiroshi Shimokawa | 埋設管の敷設方法及びそれに使用する敷設装置 |