JPS55119838A - Hydraulic control circuit in loader - Google Patents

Hydraulic control circuit in loader

Info

Publication number
JPS55119838A
JPS55119838A JP2802279A JP2802279A JPS55119838A JP S55119838 A JPS55119838 A JP S55119838A JP 2802279 A JP2802279 A JP 2802279A JP 2802279 A JP2802279 A JP 2802279A JP S55119838 A JPS55119838 A JP S55119838A
Authority
JP
Japan
Prior art keywords
cylinder
lift
oil
piston
rear chamber
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
JP2802279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6229569B2 (enrdf_load_stackoverflow
Inventor
Masahiro Yano
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.)
Sanyo Kiki Co Ltd
Original Assignee
Sanyo Kiki 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 Sanyo Kiki Co Ltd filed Critical Sanyo Kiki Co Ltd
Priority to JP2802279A priority Critical patent/JPS55119838A/ja
Publication of JPS55119838A publication Critical patent/JPS55119838A/ja
Publication of JPS6229569B2 publication Critical patent/JPS6229569B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
JP2802279A 1979-03-09 1979-03-09 Hydraulic control circuit in loader Granted JPS55119838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2802279A JPS55119838A (en) 1979-03-09 1979-03-09 Hydraulic control circuit in loader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2802279A JPS55119838A (en) 1979-03-09 1979-03-09 Hydraulic control circuit in loader

Publications (2)

Publication Number Publication Date
JPS55119838A true JPS55119838A (en) 1980-09-13
JPS6229569B2 JPS6229569B2 (enrdf_load_stackoverflow) 1987-06-26

Family

ID=12237116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2802279A Granted JPS55119838A (en) 1979-03-09 1979-03-09 Hydraulic control circuit in loader

Country Status (1)

Country Link
JP (1) JPS55119838A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002339907A (ja) * 2001-05-17 2002-11-27 Hitachi Constr Mach Co Ltd 油圧駆動装置
WO2005015029A1 (ja) * 2003-08-08 2005-02-17 Hitachi Construction Machinery Co., Ltd. 油圧駆動装置
EP1541872A4 (en) * 2002-07-09 2005-10-05 Hitachi Construction Machinery HYDRAULIC DRIVE UNIT
JP2007046741A (ja) * 2005-08-11 2007-02-22 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
WO2022215413A1 (ja) * 2021-04-06 2022-10-13 コベルコ建機株式会社 作業機械

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002339907A (ja) * 2001-05-17 2002-11-27 Hitachi Constr Mach Co Ltd 油圧駆動装置
WO2002095239A1 (fr) * 2001-05-17 2002-11-28 Hitachi Construction Machinery Co., Ltd Unite d'entrainement hydraulique
US6898932B2 (en) 2001-05-17 2005-05-31 Hitachi Construction Machinery Co., Ltd. Hydraulic driving unit
EP1541872A4 (en) * 2002-07-09 2005-10-05 Hitachi Construction Machinery HYDRAULIC DRIVE UNIT
US7127888B2 (en) 2002-07-09 2006-10-31 Hitachi Construction Machinery Co., Ltd. Hydraulic drive unit
WO2005015029A1 (ja) * 2003-08-08 2005-02-17 Hitachi Construction Machinery Co., Ltd. 油圧駆動装置
US7895833B2 (en) 2003-08-08 2011-03-01 Hitachi Construction Machinery Co., Ltd. Hydraulic drive apparatus
JP2007046741A (ja) * 2005-08-11 2007-02-22 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
WO2022215413A1 (ja) * 2021-04-06 2022-10-13 コベルコ建機株式会社 作業機械
JP2022160163A (ja) * 2021-04-06 2022-10-19 コベルコ建機株式会社 作業機械

Also Published As

Publication number Publication date
JPS6229569B2 (enrdf_load_stackoverflow) 1987-06-26

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