JPH01111691U - - Google Patents
Info
- Publication number
- JPH01111691U JPH01111691U JP462888U JP462888U JPH01111691U JP H01111691 U JPH01111691 U JP H01111691U JP 462888 U JP462888 U JP 462888U JP 462888 U JP462888 U JP 462888U JP H01111691 U JPH01111691 U JP H01111691U
- Authority
- JP
- Japan
- Prior art keywords
- crane
- amount
- boom
- contraction
- conjunction
- 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 3
- 230000008602 contraction Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
Landscapes
- Control And Safety Of Cranes (AREA)
- Jib Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP462888U JPH01111691U (enExample) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP462888U JPH01111691U (enExample) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111691U true JPH01111691U (enExample) | 1989-07-27 |
Family
ID=31207305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP462888U Pending JPH01111691U (enExample) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111691U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4430998Y1 (enExample) * | 1965-09-24 | 1969-12-20 |
-
1988
- 1988-01-20 JP JP462888U patent/JPH01111691U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4430998Y1 (enExample) * | 1965-09-24 | 1969-12-20 |