JPH0720194Y2 - 油圧シヨベルの油圧回路 - Google Patents

油圧シヨベルの油圧回路

Info

Publication number
JPH0720194Y2
JPH0720194Y2 JP5443389U JP5443389U JPH0720194Y2 JP H0720194 Y2 JPH0720194 Y2 JP H0720194Y2 JP 5443389 U JP5443389 U JP 5443389U JP 5443389 U JP5443389 U JP 5443389U JP H0720194 Y2 JPH0720194 Y2 JP H0720194Y2
Authority
JP
Japan
Prior art keywords
valve
hydraulic
switching
pilot
boom
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 - Lifetime
Application number
JP5443389U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02148054U (en, 2012
Inventor
道生 伏木
幸雄 青柳
清信 広瀬
修一 一山
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP5443389U priority Critical patent/JPH0720194Y2/ja
Publication of JPH02148054U publication Critical patent/JPH02148054U/ja
Application granted granted Critical
Publication of JPH0720194Y2 publication Critical patent/JPH0720194Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP5443389U 1989-05-15 1989-05-15 油圧シヨベルの油圧回路 Expired - Lifetime JPH0720194Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5443389U JPH0720194Y2 (ja) 1989-05-15 1989-05-15 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5443389U JPH0720194Y2 (ja) 1989-05-15 1989-05-15 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPH02148054U JPH02148054U (en, 2012) 1990-12-17
JPH0720194Y2 true JPH0720194Y2 (ja) 1995-05-15

Family

ID=31576495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5443389U Expired - Lifetime JPH0720194Y2 (ja) 1989-05-15 1989-05-15 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPH0720194Y2 (en, 2012)

Also Published As

Publication number Publication date
JPH02148054U (en, 2012) 1990-12-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term