JPH0344789Y2 - - Google Patents
Info
- Publication number
- JPH0344789Y2 JPH0344789Y2 JP21487U JP21487U JPH0344789Y2 JP H0344789 Y2 JPH0344789 Y2 JP H0344789Y2 JP 21487 U JP21487 U JP 21487U JP 21487 U JP21487 U JP 21487U JP H0344789 Y2 JPH0344789 Y2 JP H0344789Y2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- boom top
- wire rope
- hook
- detection switch
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21487U JPH0344789Y2 (el) | 1987-01-07 | 1987-01-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21487U JPH0344789Y2 (el) | 1987-01-07 | 1987-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63166592U JPS63166592U (el) | 1988-10-31 |
JPH0344789Y2 true JPH0344789Y2 (el) | 1991-09-20 |
Family
ID=30776983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21487U Expired JPH0344789Y2 (el) | 1987-01-07 | 1987-01-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0344789Y2 (el) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101705817B1 (ko) * | 2015-05-21 | 2017-02-13 | 디와이 주식회사 | 크레인 장치 |
-
1987
- 1987-01-07 JP JP21487U patent/JPH0344789Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63166592U (el) | 1988-10-31 |
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