JPH0444684Y2 - - Google Patents

Info

Publication number
JPH0444684Y2
JPH0444684Y2 JP19564286U JP19564286U JPH0444684Y2 JP H0444684 Y2 JPH0444684 Y2 JP H0444684Y2 JP 19564286 U JP19564286 U JP 19564286U JP 19564286 U JP19564286 U JP 19564286U JP H0444684 Y2 JPH0444684 Y2 JP H0444684Y2
Authority
JP
Japan
Prior art keywords
oil
boom cylinder
switching valve
spool
valve
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
JP19564286U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63100553U (enrdf_load_stackoverflow
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 JP19564286U priority Critical patent/JPH0444684Y2/ja
Publication of JPS63100553U publication Critical patent/JPS63100553U/ja
Application granted granted Critical
Publication of JPH0444684Y2 publication Critical patent/JPH0444684Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Operation Control Of Excavators (AREA)
JP19564286U 1986-12-18 1986-12-18 Expired JPH0444684Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19564286U JPH0444684Y2 (enrdf_load_stackoverflow) 1986-12-18 1986-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19564286U JPH0444684Y2 (enrdf_load_stackoverflow) 1986-12-18 1986-12-18

Publications (2)

Publication Number Publication Date
JPS63100553U JPS63100553U (enrdf_load_stackoverflow) 1988-06-30
JPH0444684Y2 true JPH0444684Y2 (enrdf_load_stackoverflow) 1992-10-21

Family

ID=31153714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19564286U Expired JPH0444684Y2 (enrdf_load_stackoverflow) 1986-12-18 1986-12-18

Country Status (1)

Country Link
JP (1) JPH0444684Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101867528B1 (ko) * 2017-11-20 2018-07-17 황종원 안티 드롭밸브의 릴리프 밸브 어셈블리

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5463219B2 (ja) * 2010-07-01 2014-04-09 日立建機株式会社 油圧作業機の油圧駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101867528B1 (ko) * 2017-11-20 2018-07-17 황종원 안티 드롭밸브의 릴리프 밸브 어셈블리

Also Published As

Publication number Publication date
JPS63100553U (enrdf_load_stackoverflow) 1988-06-30

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