JPS61186804U - - Google Patents

Info

Publication number
JPS61186804U
JPS61186804U JP7059985U JP7059985U JPS61186804U JP S61186804 U JPS61186804 U JP S61186804U JP 7059985 U JP7059985 U JP 7059985U JP 7059985 U JP7059985 U JP 7059985U JP S61186804 U JPS61186804 U JP S61186804U
Authority
JP
Japan
Prior art keywords
valve
actuator
hydraulic circuit
logic
pressure oil
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.)
Pending
Application number
JP7059985U
Other languages
English (en)
Japanese (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 JP7059985U priority Critical patent/JPS61186804U/ja
Publication of JPS61186804U publication Critical patent/JPS61186804U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP7059985U 1985-05-15 1985-05-15 Pending JPS61186804U (US07860544-20101228-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7059985U JPS61186804U (US07860544-20101228-C00003.png) 1985-05-15 1985-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7059985U JPS61186804U (US07860544-20101228-C00003.png) 1985-05-15 1985-05-15

Publications (1)

Publication Number Publication Date
JPS61186804U true JPS61186804U (US07860544-20101228-C00003.png) 1986-11-21

Family

ID=30607323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7059985U Pending JPS61186804U (US07860544-20101228-C00003.png) 1985-05-15 1985-05-15

Country Status (1)

Country Link
JP (1) JPS61186804U (US07860544-20101228-C00003.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0331076A1 (en) * 1988-03-03 1989-09-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Hydraulic circuit for cylinder
WO1989008213A1 (fr) * 1988-02-24 1989-09-08 Hitachi Construction Machinery Co., Ltd. Dispositif de soupape
JP2005315350A (ja) * 2004-04-28 2005-11-10 Hitachi Constr Mach Co Ltd 制御弁装置及び圧力回路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008213A1 (fr) * 1988-02-24 1989-09-08 Hitachi Construction Machinery Co., Ltd. Dispositif de soupape
US5140815A (en) * 1988-02-24 1992-08-25 Hitachi Construction Machinery Co., Ltd. Valve apparatus
EP0331076A1 (en) * 1988-03-03 1989-09-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Hydraulic circuit for cylinder
JP2005315350A (ja) * 2004-04-28 2005-11-10 Hitachi Constr Mach Co Ltd 制御弁装置及び圧力回路

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