JPS51149652A - Extention apparatus for th ree stage telescopic beam - Google Patents
Extention apparatus for th ree stage telescopic beamInfo
- Publication number
- JPS51149652A JPS51149652A JP7400275A JP7400275A JPS51149652A JP S51149652 A JPS51149652 A JP S51149652A JP 7400275 A JP7400275 A JP 7400275A JP 7400275 A JP7400275 A JP 7400275A JP S51149652 A JPS51149652 A JP S51149652A
- Authority
- JP
- Japan
- Prior art keywords
- extention
- ree
- stage telescopic
- telescopic beam
- stage
- 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)
Abstract
PURPOSE: Three stage telescopic beam is operated without many hydraulic cylinders, to attain low cost and light weight beam.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7400275A JPS51149652A (en) | 1975-06-17 | 1975-06-17 | Extention apparatus for th ree stage telescopic beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7400275A JPS51149652A (en) | 1975-06-17 | 1975-06-17 | Extention apparatus for th ree stage telescopic beam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51149652A true JPS51149652A (en) | 1976-12-22 |
Family
ID=13534420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7400275A Pending JPS51149652A (en) | 1975-06-17 | 1975-06-17 | Extention apparatus for th ree stage telescopic beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51149652A (en) |
-
1975
- 1975-06-17 JP JP7400275A patent/JPS51149652A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51139383A (en) | Spectrophotometer | |
IE43618L (en) | Benzimidazole derivatives | |
JPS51135051A (en) | Hydraulically operated extendable jib | |
JPS51149652A (en) | Extention apparatus for th ree stage telescopic beam | |
JPS5273458A (en) | Derrick loading system | |
JPS537939A (en) | Process for errecting upper end final unit of structure | |
JPS522193A (en) | Light warning device | |
JPS51122296A (en) | Automatic housing apparatus for telescopable ladder | |
JPS521871A (en) | Shuttle fork of stcker crane | |
JPS5427175A (en) | Buffer system for bucket elevator | |
JPS5396156A (en) | Method of operating horizontal luffing crane | |
JPS5281847A (en) | Hydraulic elevator | |
JPS5438056A (en) | Gantry for crane | |
JPS5257114A (en) | Process for ether-containing acrylic acid ester or methacrylic acid es ter | |
JPS5235446A (en) | Mud disposal system | |
JPS51130688A (en) | Reduction bleaching method | |
JPS51129140A (en) | Light pen | |
JPS5261038A (en) | Observation elevator | |
JPS5253511A (en) | Multiple stage hydraulic rotary machine | |
JPS5262851A (en) | Pipe layer | |
JPS51142222A (en) | Electromagnetic-pen input system | |
JPS51151143A (en) | Optical filter device | |
JPS5272070A (en) | Vacuum power magnifying apparatus | |
JPS51145053A (en) | Drying equipment | |
JPS51150025A (en) | Control system of power |