JPH01156254U - - Google Patents

Info

Publication number
JPH01156254U
JPH01156254U JP5139188U JP5139188U JPH01156254U JP H01156254 U JPH01156254 U JP H01156254U JP 5139188 U JP5139188 U JP 5139188U JP 5139188 U JP5139188 U JP 5139188U JP H01156254 U JPH01156254 U JP H01156254U
Authority
JP
Japan
Prior art keywords
cylinder
boom
hydraulic oil
oil passage
head pressure
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
JP5139188U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0643257Y2 (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 JP5139188U priority Critical patent/JPH0643257Y2/ja
Publication of JPH01156254U publication Critical patent/JPH01156254U/ja
Application granted granted Critical
Publication of JPH0643257Y2 publication Critical patent/JPH0643257Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP5139188U 1988-04-15 1988-04-15 建設機械のシリンダ回路 Expired - Lifetime JPH0643257Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5139188U JPH0643257Y2 (ja) 1988-04-15 1988-04-15 建設機械のシリンダ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5139188U JPH0643257Y2 (ja) 1988-04-15 1988-04-15 建設機械のシリンダ回路

Publications (2)

Publication Number Publication Date
JPH01156254U true JPH01156254U (US20100223739A1-20100909-C00005.png) 1989-10-26
JPH0643257Y2 JPH0643257Y2 (ja) 1994-11-09

Family

ID=31277417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5139188U Expired - Lifetime JPH0643257Y2 (ja) 1988-04-15 1988-04-15 建設機械のシリンダ回路

Country Status (1)

Country Link
JP (1) JPH0643257Y2 (US20100223739A1-20100909-C00005.png)

Also Published As

Publication number Publication date
JPH0643257Y2 (ja) 1994-11-09

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