JPS5574993A - Device for expans expanding and retracting multiiconnected boom - Google Patents

Device for expans expanding and retracting multiiconnected boom

Info

Publication number
JPS5574993A
JPS5574993A JP14754578A JP14754578A JPS5574993A JP S5574993 A JPS5574993 A JP S5574993A JP 14754578 A JP14754578 A JP 14754578A JP 14754578 A JP14754578 A JP 14754578A JP S5574993 A JPS5574993 A JP S5574993A
Authority
JP
Japan
Prior art keywords
multiiconnected
expans
boom
retracting
expanding
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
Application number
JP14754578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6245158B2 (enExample
Inventor
Hisatoshi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tadano Ltd
Original Assignee
Tadano Iron Works Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tadano Iron Works Co Ltd filed Critical Tadano Iron Works Co Ltd
Priority to JP14754578A priority Critical patent/JPS5574993A/ja
Publication of JPS5574993A publication Critical patent/JPS5574993A/ja
Publication of JPS6245158B2 publication Critical patent/JPS6245158B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)
JP14754578A 1978-11-28 1978-11-28 Device for expans expanding and retracting multiiconnected boom Granted JPS5574993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14754578A JPS5574993A (en) 1978-11-28 1978-11-28 Device for expans expanding and retracting multiiconnected boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14754578A JPS5574993A (en) 1978-11-28 1978-11-28 Device for expans expanding and retracting multiiconnected boom

Publications (2)

Publication Number Publication Date
JPS5574993A true JPS5574993A (en) 1980-06-05
JPS6245158B2 JPS6245158B2 (enExample) 1987-09-25

Family

ID=15432736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14754578A Granted JPS5574993A (en) 1978-11-28 1978-11-28 Device for expans expanding and retracting multiiconnected boom

Country Status (1)

Country Link
JP (1) JPS5574993A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154064A (zh) * 2014-08-06 2014-11-19 昆明理工大学 一种实现循环加载的液压控制回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501277A (enExample) * 1973-05-12 1975-01-08
JPS5175875A (ja) * 1974-12-27 1976-06-30 Ebara Mfg Fukusuchanbaahoshikinyoru kahenyoryogatayuatsumootano kudoyuatsukairo

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501277A (enExample) * 1973-05-12 1975-01-08
JPS5175875A (ja) * 1974-12-27 1976-06-30 Ebara Mfg Fukusuchanbaahoshikinyoru kahenyoryogatayuatsumootano kudoyuatsukairo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154064A (zh) * 2014-08-06 2014-11-19 昆明理工大学 一种实现循环加载的液压控制回路

Also Published As

Publication number Publication date
JPS6245158B2 (enExample) 1987-09-25

Similar Documents

Publication Publication Date Title
GB2024042B (en) Methods and devices for demolition of structures
JPS5474769A (en) Moved amount and phase converter
JPS54147350A (en) Expanding anchor
YU101277A (en) Expanding fixing device
JPS52145957A (en) Extendable boom device
JPS5450466A (en) Pipe expander and use thereof
JPS5581881A (en) Bromopenicillanic sulfonate and its use
GB2027809B (en) Hydraulic actuating and locking device
JPS54164060A (en) Sieving device and its use method
JPS53121506A (en) Signal compressing and expanding device
JPS5574993A (en) Device for expans expanding and retracting multiiconnected boom
JPS55111391A (en) Threeestage expansion and retraction boom
JPS5570526A (en) Discharge working method and its device
JPS5455951A (en) Cylinder expansion device
JPS552071A (en) Turnery working method and its device
JPS55106990A (en) Device for expanding retracting boom of crane truck
JPS53149496A (en) Device for piling up and binding elongated pipe
JPS52150770A (en) Pipe expanding device
JPS5413627A (en) Device for expanding and contracting joint of road
JPS5511971A (en) Device for expanding and contracting hood
JPS5320631A (en) Method and device for placing concrete for slope
JPS54135401A (en) Hole expanding device
JPS5479912A (en) Device of connecting concrete portion material
JPS5675388A (en) Expansion device for boom
JPS5295818A (en) Joint device of strut* etc*