JPS6223887Y2 - - Google Patents

Info

Publication number
JPS6223887Y2
JPS6223887Y2 JP1980019602U JP1960280U JPS6223887Y2 JP S6223887 Y2 JPS6223887 Y2 JP S6223887Y2 JP 1980019602 U JP1980019602 U JP 1980019602U JP 1960280 U JP1960280 U JP 1960280U JP S6223887 Y2 JPS6223887 Y2 JP S6223887Y2
Authority
JP
Japan
Prior art keywords
cylinder
valve
boom
hydraulic pump
discharge port
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
JP1980019602U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56121753U (en]
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 JP1980019602U priority Critical patent/JPS6223887Y2/ja
Publication of JPS56121753U publication Critical patent/JPS56121753U/ja
Application granted granted Critical
Publication of JPS6223887Y2 publication Critical patent/JPS6223887Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1980019602U 1980-02-20 1980-02-20 Expired JPS6223887Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980019602U JPS6223887Y2 (en]) 1980-02-20 1980-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980019602U JPS6223887Y2 (en]) 1980-02-20 1980-02-20

Publications (2)

Publication Number Publication Date
JPS56121753U JPS56121753U (en]) 1981-09-17
JPS6223887Y2 true JPS6223887Y2 (en]) 1987-06-18

Family

ID=29615850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980019602U Expired JPS6223887Y2 (en]) 1980-02-20 1980-02-20

Country Status (1)

Country Link
JP (1) JPS6223887Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439285Y2 (en]) * 1973-11-17 1979-11-21
JPS54133705A (en) * 1978-04-06 1979-10-17 Kubota Ltd Excavation working machine

Also Published As

Publication number Publication date
JPS56121753U (en]) 1981-09-17

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