JPS6260360B2 - - Google Patents
Info
- Publication number
- JPS6260360B2 JPS6260360B2 JP16015278A JP16015278A JPS6260360B2 JP S6260360 B2 JPS6260360 B2 JP S6260360B2 JP 16015278 A JP16015278 A JP 16015278A JP 16015278 A JP16015278 A JP 16015278A JP S6260360 B2 JPS6260360 B2 JP S6260360B2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- flexible body
- stage
- floating rod
- upper boom
- 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
- 230000008602 contraction Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 11
- 238000007796 conventional method Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16015278A JPS5598087A (en) | 1978-12-27 | 1978-12-27 | Multistage expansion boom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16015278A JPS5598087A (en) | 1978-12-27 | 1978-12-27 | Multistage expansion boom |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5598087A JPS5598087A (en) | 1980-07-25 |
JPS6260360B2 true JPS6260360B2 (enrdf_load_stackoverflow) | 1987-12-16 |
Family
ID=15708990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16015278A Granted JPS5598087A (en) | 1978-12-27 | 1978-12-27 | Multistage expansion boom |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5598087A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2563999Y2 (ja) * | 1987-02-25 | 1998-03-04 | 株式会社 加藤製作所 | 多段伸縮ブーム |
-
1978
- 1978-12-27 JP JP16015278A patent/JPS5598087A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5598087A (en) | 1980-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4406375A (en) | Telescopic boom construction | |
US3465899A (en) | Telescoping boom for hydraulic crane | |
US6244450B1 (en) | Method and apparatus for telescoping boom with hydraulic extension actuators | |
JP7246934B2 (ja) | ジブ起伏機構およびジブ起伏機構を備えたクレーン車 | |
JPH10218564A (ja) | 入り子式ジブの抑止部分用装置及び方法 | |
US5465855A (en) | Telescoping crane arm | |
US3687323A (en) | Tower crane with telescopic jib | |
US5494395A (en) | Driving machine with an articulated boom | |
JPS6260360B2 (enrdf_load_stackoverflow) | ||
US3648850A (en) | Crane with telescopic boom | |
JP2019073391A (ja) | 伸縮ブーム | |
US4363413A (en) | Endless chain drive for telescopic jib sections | |
JP7292851B2 (ja) | ジブ起伏機構およびジブ起伏機構を備えたクレーン車 | |
JPH0364014B2 (enrdf_load_stackoverflow) | ||
JP2550045Y2 (ja) | 建設機械の伸縮アーム装置 | |
SU544606A1 (ru) | Гидравлический кран-манипул тор | |
JP2563999Y2 (ja) | 多段伸縮ブーム | |
SU1728123A1 (ru) | Телескопическа стрела крана | |
JPS6030294Y2 (ja) | 多段伸縮ブ−ム | |
JP2524149B2 (ja) | 五段同時伸縮ブ−ム部分 | |
JPS6127909Y2 (enrdf_load_stackoverflow) | ||
SU1557081A1 (ru) | Грузоподъемный кран | |
JP2002128470A (ja) | ブーム伸縮装置 | |
JPS6022071Y2 (ja) | 簡易トラツククレ−ンの主柱伸縮装置 | |
JPH0718707Y2 (ja) | 作業車における伸縮ブームのブームレスト |