JPH0172585U - - Google Patents
Info
- Publication number
- JPH0172585U JPH0172585U JP1987168898U JP16889887U JPH0172585U JP H0172585 U JPH0172585 U JP H0172585U JP 1987168898 U JP1987168898 U JP 1987168898U JP 16889887 U JP16889887 U JP 16889887U JP H0172585 U JPH0172585 U JP H0172585U
- Authority
- JP
- Japan
- Prior art keywords
- tongs
- crane
- overhead
- detection unit
- target point
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control And Safety Of Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168898U JPH0172585U (it) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168898U JPH0172585U (it) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172585U true JPH0172585U (it) | 1989-05-16 |
Family
ID=31458479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168898U Pending JPH0172585U (it) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172585U (it) |
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1987
- 1987-11-04 JP JP1987168898U patent/JPH0172585U/ja active Pending