JPS5273455A - System to set up and back auxiliary boom for crane with retractable bo om - Google Patents
System to set up and back auxiliary boom for crane with retractable bo omInfo
- Publication number
- JPS5273455A JPS5273455A JP14878375A JP14878375A JPS5273455A JP S5273455 A JPS5273455 A JP S5273455A JP 14878375 A JP14878375 A JP 14878375A JP 14878375 A JP14878375 A JP 14878375A JP S5273455 A JPS5273455 A JP S5273455A
- Authority
- JP
- Japan
- Prior art keywords
- retractable
- crane
- auxiliary boom
- boom
- back auxiliary
- 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.)
- Granted
Links
Landscapes
- Jib Cranes (AREA)
Abstract
PURPOSE: To set up and extend an auxiliary boom easily by releasing the fastener of the auxiliary boom with absorbing wire movement arised at the initial expanding of tip boom by means of expanding and contracting boom.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14878375A JPS5273455A (en) | 1975-12-12 | 1975-12-12 | System to set up and back auxiliary boom for crane with retractable bo om |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14878375A JPS5273455A (en) | 1975-12-12 | 1975-12-12 | System to set up and back auxiliary boom for crane with retractable bo om |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5273455A true JPS5273455A (en) | 1977-06-20 |
JPS5443786B2 JPS5443786B2 (en) | 1979-12-21 |
Family
ID=15460568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14878375A Granted JPS5273455A (en) | 1975-12-12 | 1975-12-12 | System to set up and back auxiliary boom for crane with retractable bo om |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5273455A (en) |
-
1975
- 1975-12-12 JP JP14878375A patent/JPS5273455A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5443786B2 (en) | 1979-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51142230A (en) | Device for jetting ink | |
JPS5355857A (en) | Climbing crane | |
JPS5273455A (en) | System to set up and back auxiliary boom for crane with retractable bo om | |
JPS5223237A (en) | Passbook handling device | |
JPS5322250A (en) | Rope steady rest con trol system for crane | |
JPS5235058A (en) | Tower crane | |
JPS52152055A (en) | Self-travelling crane fall-preventing device | |
JPS5249521A (en) | Method of shifting a mobile crane | |
JPS51124254A (en) | Device for detachably attaching sub jib to crane wheel | |
JPS51138376A (en) | A-d converter checking system | |
JPS5375624A (en) | Alarm system for ourtiggers of vehicle | |
JPS529255A (en) | Boom jib assemblage | |
JPS51139014A (en) | Vehicle with hydraulic device | |
JPS5225381A (en) | Stacker crne apparatus | |
JPS5227190A (en) | Equipment for disposing of trash on sea | |
JPS5438056A (en) | Gantry for crane | |
JPS51116559A (en) | Safety device for crane | |
JPS5373392A (en) | Subaqueous-cable laying machine | |
JPS5273458A (en) | Derrick loading system | |
JPS52154109A (en) | Suction head | |
JPS51116554A (en) | Assembly of boom and jib | |
JPS5211558A (en) | Method of recording hanging load of crane | |
JPS5243251A (en) | Hanging device for construction materials for underground structure | |
JPS5237352A (en) | Device for controlling operation of truck crane | |
JPS5281810A (en) | Truck prevented with axial weight from moving |