JPS6245158B2 - - Google Patents

Info

Publication number
JPS6245158B2
JPS6245158B2 JP53147545A JP14754578A JPS6245158B2 JP S6245158 B2 JPS6245158 B2 JP S6245158B2 JP 53147545 A JP53147545 A JP 53147545A JP 14754578 A JP14754578 A JP 14754578A JP S6245158 B2 JPS6245158 B2 JP S6245158B2
Authority
JP
Japan
Prior art keywords
oil
stage
oil passage
boom
tank
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
Application number
JP53147545A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5574993A (en
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 JPS5574993A (en) 1980-06-05
JPS6245158B2 true JPS6245158B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154064B (zh) * 2014-08-06 2016-06-08 昆明理工大学 一种实现循环加载的液压控制回路

Family Cites Families (2)

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

Also Published As

Publication number Publication date
JPS5574993A (en) 1980-06-05

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