JPH02139947U - - Google Patents

Info

Publication number
JPH02139947U
JPH02139947U JP4977489U JP4977489U JPH02139947U JP H02139947 U JPH02139947 U JP H02139947U JP 4977489 U JP4977489 U JP 4977489U JP 4977489 U JP4977489 U JP 4977489U JP H02139947 U JPH02139947 U JP H02139947U
Authority
JP
Japan
Prior art keywords
circuit
cylinder
bucket
switching valve
electromagnetic switching
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
JP4977489U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0645492Y2 (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 JP4977489U priority Critical patent/JPH0645492Y2/ja
Publication of JPH02139947U publication Critical patent/JPH02139947U/ja
Application granted granted Critical
Publication of JPH0645492Y2 publication Critical patent/JPH0645492Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP4977489U 1989-04-26 1989-04-26 クラムシェル用シリンダ回路 Expired - Lifetime JPH0645492Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4977489U JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4977489U JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Publications (2)

Publication Number Publication Date
JPH02139947U true JPH02139947U (cs) 1990-11-22
JPH0645492Y2 JPH0645492Y2 (ja) 1994-11-24

Family

ID=31567749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4977489U Expired - Lifetime JPH0645492Y2 (ja) 1989-04-26 1989-04-26 クラムシェル用シリンダ回路

Country Status (1)

Country Link
JP (1) JPH0645492Y2 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007303122A (ja) * 2006-05-10 2007-11-22 Komatsu Ltd 油圧ショベルの油圧制御装置
JP2013167108A (ja) * 2012-02-16 2013-08-29 Hitachi Constr Mach Co Ltd 深掘掘削機の油圧回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007303122A (ja) * 2006-05-10 2007-11-22 Komatsu Ltd 油圧ショベルの油圧制御装置
JP4627280B2 (ja) * 2006-05-10 2011-02-09 株式会社小松製作所 油圧ショベルの油圧制御装置
JP2013167108A (ja) * 2012-02-16 2013-08-29 Hitachi Constr Mach Co Ltd 深掘掘削機の油圧回路

Also Published As

Publication number Publication date
JPH0645492Y2 (ja) 1994-11-24

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