JPS57107396A - Successive extension working device for multistage boom - Google Patents
Successive extension working device for multistage boomInfo
- Publication number
- JPS57107396A JPS57107396A JP18491180A JP18491180A JPS57107396A JP S57107396 A JPS57107396 A JP S57107396A JP 18491180 A JP18491180 A JP 18491180A JP 18491180 A JP18491180 A JP 18491180A JP S57107396 A JPS57107396 A JP S57107396A
- Authority
- JP
- Japan
- Prior art keywords
- working device
- extension working
- multistage boom
- successive extension
- successive
- 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
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18491180A JPS57107396A (en) | 1980-12-24 | 1980-12-24 | Successive extension working device for multistage boom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18491180A JPS57107396A (en) | 1980-12-24 | 1980-12-24 | Successive extension working device for multistage boom |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57107396A true JPS57107396A (en) | 1982-07-03 |
Family
ID=16161483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18491180A Pending JPS57107396A (en) | 1980-12-24 | 1980-12-24 | Successive extension working device for multistage boom |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57107396A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57141392A (en) * | 1981-02-24 | 1982-09-01 | Shin Meiwa Ind Co Ltd | Expansion device for multistage boom |
JPS57166289A (en) * | 1982-02-26 | 1982-10-13 | Shin Meiwa Ind Co Ltd | Successive operating device for multistage boom |
JPS58127086U (en) * | 1982-02-24 | 1983-08-29 | 新明和工業株式会社 | Engagement device for sequential actuation device in multistage boom |
-
1980
- 1980-12-24 JP JP18491180A patent/JPS57107396A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57141392A (en) * | 1981-02-24 | 1982-09-01 | Shin Meiwa Ind Co Ltd | Expansion device for multistage boom |
JPS58127086U (en) * | 1982-02-24 | 1983-08-29 | 新明和工業株式会社 | Engagement device for sequential actuation device in multistage boom |
JPS6143833Y2 (en) * | 1982-02-24 | 1986-12-10 | ||
JPS57166289A (en) * | 1982-02-26 | 1982-10-13 | Shin Meiwa Ind Co Ltd | Successive operating device for multistage boom |
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