JPS6225827B2 - - Google Patents

Info

Publication number
JPS6225827B2
JPS6225827B2 JP55015512A JP1551280A JPS6225827B2 JP S6225827 B2 JPS6225827 B2 JP S6225827B2 JP 55015512 A JP55015512 A JP 55015512A JP 1551280 A JP1551280 A JP 1551280A JP S6225827 B2 JPS6225827 B2 JP S6225827B2
Authority
JP
Japan
Prior art keywords
arm
hydraulic
switching valve
pipe
parallel
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
JP55015512A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56115434A (en
Inventor
Toichi Hirata
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP1551280A priority Critical patent/JPS56115434A/ja
Publication of JPS56115434A publication Critical patent/JPS56115434A/ja
Publication of JPS6225827B2 publication Critical patent/JPS6225827B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP1551280A 1980-02-13 1980-02-13 Hydraulic circuit for civil engineering construction machine Granted JPS56115434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1551280A JPS56115434A (en) 1980-02-13 1980-02-13 Hydraulic circuit for civil engineering construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1551280A JPS56115434A (en) 1980-02-13 1980-02-13 Hydraulic circuit for civil engineering construction machine

Publications (2)

Publication Number Publication Date
JPS56115434A JPS56115434A (en) 1981-09-10
JPS6225827B2 true JPS6225827B2 (cs) 1987-06-04

Family

ID=11890859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1551280A Granted JPS56115434A (en) 1980-02-13 1980-02-13 Hydraulic circuit for civil engineering construction machine

Country Status (1)

Country Link
JP (1) JPS56115434A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113605A (ja) * 1981-12-28 1983-07-06 Kayaba Ind Co Ltd 油圧回路とその回路に利用するコントロ−ルバルブ

Also Published As

Publication number Publication date
JPS56115434A (en) 1981-09-10

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