JPS6132239B2 - - Google Patents
Info
- Publication number
- JPS6132239B2 JPS6132239B2 JP16365680A JP16365680A JPS6132239B2 JP S6132239 B2 JPS6132239 B2 JP S6132239B2 JP 16365680 A JP16365680 A JP 16365680A JP 16365680 A JP16365680 A JP 16365680A JP S6132239 B2 JPS6132239 B2 JP S6132239B2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- control valve
- lever
- boom
- stop
- 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
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000010727 cylinder oil Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000008094 contradictory effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method 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 |
|---|---|---|---|
| JP16365680A JPS5790390A (en) | 1980-11-19 | 1980-11-19 | Preventive device for overturn of truck crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16365680A JPS5790390A (en) | 1980-11-19 | 1980-11-19 | Preventive device for overturn of truck crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5790390A JPS5790390A (en) | 1982-06-05 |
| JPS6132239B2 true JPS6132239B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-07-25 |
Family
ID=15778077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16365680A Granted JPS5790390A (en) | 1980-11-19 | 1980-11-19 | Preventive device for overturn of truck crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5790390A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148695U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-03-20 | 1988-09-30 | ||
| JP5543741B2 (ja) * | 2009-08-10 | 2014-07-09 | 古河ユニック株式会社 | クレーンの転倒防止装置 |
-
1980
- 1980-11-19 JP JP16365680A patent/JPS5790390A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5790390A (en) | 1982-06-05 |
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