JPS63198644U - - Google Patents

Info

Publication number
JPS63198644U
JPS63198644U JP9006787U JP9006787U JPS63198644U JP S63198644 U JPS63198644 U JP S63198644U JP 9006787 U JP9006787 U JP 9006787U JP 9006787 U JP9006787 U JP 9006787U JP S63198644 U JPS63198644 U JP S63198644U
Authority
JP
Japan
Prior art keywords
valve
group
boom
pilot pressure
pilot
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
JP9006787U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0649632Y2 (ja
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 filed Critical
Priority to JP1987090067U priority Critical patent/JPH0649632Y2/ja
Publication of JPS63198644U publication Critical patent/JPS63198644U/ja
Application granted granted Critical
Publication of JPH0649632Y2 publication Critical patent/JPH0649632Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP1987090067U 1987-06-10 1987-06-10 油圧ショベルの油圧回路 Expired - Lifetime JPH0649632Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987090067U JPH0649632Y2 (ja) 1987-06-10 1987-06-10 油圧ショベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987090067U JPH0649632Y2 (ja) 1987-06-10 1987-06-10 油圧ショベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS63198644U true JPS63198644U (zh) 1988-12-21
JPH0649632Y2 JPH0649632Y2 (ja) 1994-12-14

Family

ID=30949607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987090067U Expired - Lifetime JPH0649632Y2 (ja) 1987-06-10 1987-06-10 油圧ショベルの油圧回路

Country Status (1)

Country Link
JP (1) JPH0649632Y2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100886476B1 (ko) 2007-03-12 2009-03-05 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계용 유압회로
JP2010270910A (ja) * 2009-05-22 2010-12-02 Volvo Construction Equipment Ab 複合操作性を改善させた油圧システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980509A (ja) * 1983-09-14 1984-05-10 Yutani Juko Kk 複数の流体圧アクチユエ−タの作動回路
JPS62107124A (ja) * 1985-10-15 1987-05-18 Yutani Juko Kk 建設機械の油圧回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980509A (ja) * 1983-09-14 1984-05-10 Yutani Juko Kk 複数の流体圧アクチユエ−タの作動回路
JPS62107124A (ja) * 1985-10-15 1987-05-18 Yutani Juko Kk 建設機械の油圧回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100886476B1 (ko) 2007-03-12 2009-03-05 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계용 유압회로
JP2010270910A (ja) * 2009-05-22 2010-12-02 Volvo Construction Equipment Ab 複合操作性を改善させた油圧システム

Also Published As

Publication number Publication date
JPH0649632Y2 (ja) 1994-12-14

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