JPH01119445U - - Google Patents

Info

Publication number
JPH01119445U
JPH01119445U JP1119588U JP1119588U JPH01119445U JP H01119445 U JPH01119445 U JP H01119445U JP 1119588 U JP1119588 U JP 1119588U JP 1119588 U JP1119588 U JP 1119588U JP H01119445 U JPH01119445 U JP H01119445U
Authority
JP
Japan
Prior art keywords
pressure
hydraulic
cylinder
bucket
hydraulic excavator
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.)
Pending
Application number
JP1119588U
Other languages
English (en)
Japanese (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 JP1119588U priority Critical patent/JPH01119445U/ja
Publication of JPH01119445U publication Critical patent/JPH01119445U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
JP1119588U 1988-02-01 1988-02-01 Pending JPH01119445U (he)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1119588U JPH01119445U (he) 1988-02-01 1988-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1119588U JPH01119445U (he) 1988-02-01 1988-02-01

Publications (1)

Publication Number Publication Date
JPH01119445U true JPH01119445U (he) 1989-08-14

Family

ID=31219533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1119588U Pending JPH01119445U (he) 1988-02-01 1988-02-01

Country Status (1)

Country Link
JP (1) JPH01119445U (he)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0577344U (ja) * 1992-03-19 1993-10-22 セイレイ工業株式会社 小旋回型パワーショベルにおけるアーム規制構造
WO1996006988A1 (fr) * 1994-08-30 1996-03-07 Komatsu Ltd. Circuit hydraulique pour le verin de la fleche d'une pelle hydraulique
JP2009180065A (ja) * 2008-02-01 2009-08-13 Caterpillar Japan Ltd 作業機械制御装置
JP2010112559A (ja) * 2009-12-25 2010-05-20 Yanmar Co Ltd 作業車の方向切換弁

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188689A (ja) * 1986-02-12 1987-08-18 日立建機株式会社 作業機の油圧制御装置
JPS62224702A (ja) * 1986-03-26 1987-10-02 Yutani Heavy Ind Ltd 油圧アクチユエ−タ可変作動システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188689A (ja) * 1986-02-12 1987-08-18 日立建機株式会社 作業機の油圧制御装置
JPS62224702A (ja) * 1986-03-26 1987-10-02 Yutani Heavy Ind Ltd 油圧アクチユエ−タ可変作動システム

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0577344U (ja) * 1992-03-19 1993-10-22 セイレイ工業株式会社 小旋回型パワーショベルにおけるアーム規制構造
WO1996006988A1 (fr) * 1994-08-30 1996-03-07 Komatsu Ltd. Circuit hydraulique pour le verin de la fleche d'une pelle hydraulique
US5855159A (en) * 1994-08-30 1999-01-05 Komatsu Ltd. Hydraulic circuit for a boom cylinder in a hydraulic shovel
JP2009180065A (ja) * 2008-02-01 2009-08-13 Caterpillar Japan Ltd 作業機械制御装置
JP2010112559A (ja) * 2009-12-25 2010-05-20 Yanmar Co Ltd 作業車の方向切換弁
JP4585607B2 (ja) * 2009-12-25 2010-11-24 ヤンマー株式会社 作業車の方向切換弁

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