JPH0464375B2 - - Google Patents

Info

Publication number
JPH0464375B2
JPH0464375B2 JP9767886A JP9767886A JPH0464375B2 JP H0464375 B2 JPH0464375 B2 JP H0464375B2 JP 9767886 A JP9767886 A JP 9767886A JP 9767886 A JP9767886 A JP 9767886A JP H0464375 B2 JPH0464375 B2 JP H0464375B2
Authority
JP
Japan
Prior art keywords
arm
switching valve
piston
swing
spool
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
JP9767886A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62253827A (ja
Inventor
Wataru Kubomoto
Kazuyuki Doi
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Yutani Heavy Industries 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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP9767886A priority Critical patent/JPS62253827A/ja
Publication of JPS62253827A publication Critical patent/JPS62253827A/ja
Publication of JPH0464375B2 publication Critical patent/JPH0464375B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP9767886A 1986-04-25 1986-04-25 油圧ショベル用切換弁 Granted JPS62253827A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9767886A JPS62253827A (ja) 1986-04-25 1986-04-25 油圧ショベル用切換弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9767886A JPS62253827A (ja) 1986-04-25 1986-04-25 油圧ショベル用切換弁

Publications (2)

Publication Number Publication Date
JPS62253827A JPS62253827A (ja) 1987-11-05
JPH0464375B2 true JPH0464375B2 (en]) 1992-10-14

Family

ID=14198658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9767886A Granted JPS62253827A (ja) 1986-04-25 1986-04-25 油圧ショベル用切換弁

Country Status (1)

Country Link
JP (1) JPS62253827A (en])

Also Published As

Publication number Publication date
JPS62253827A (ja) 1987-11-05

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