JP2520929Y2 - 油圧回路 - Google Patents

油圧回路

Info

Publication number
JP2520929Y2
JP2520929Y2 JP1989041972U JP4197289U JP2520929Y2 JP 2520929 Y2 JP2520929 Y2 JP 2520929Y2 JP 1989041972 U JP1989041972 U JP 1989041972U JP 4197289 U JP4197289 U JP 4197289U JP 2520929 Y2 JP2520929 Y2 JP 2520929Y2
Authority
JP
Japan
Prior art keywords
valve
pressure
pilot
chamber
cylinder
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
JP1989041972U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02134303U (en, 2012
Inventor
年郎 高野
貞夫 布谷
直樹 石崎
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP1989041972U priority Critical patent/JP2520929Y2/ja
Publication of JPH02134303U publication Critical patent/JPH02134303U/ja
Application granted granted Critical
Publication of JP2520929Y2 publication Critical patent/JP2520929Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1989041972U 1989-04-12 1989-04-12 油圧回路 Expired - Lifetime JP2520929Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989041972U JP2520929Y2 (ja) 1989-04-12 1989-04-12 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989041972U JP2520929Y2 (ja) 1989-04-12 1989-04-12 油圧回路

Publications (2)

Publication Number Publication Date
JPH02134303U JPH02134303U (en, 2012) 1990-11-07
JP2520929Y2 true JP2520929Y2 (ja) 1996-12-18

Family

ID=31553103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989041972U Expired - Lifetime JP2520929Y2 (ja) 1989-04-12 1989-04-12 油圧回路

Country Status (1)

Country Link
JP (1) JP2520929Y2 (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7297401B2 (ja) * 2017-03-07 2023-06-26 住友重機械工業株式会社 ショベル
CN109058191B (zh) * 2018-10-30 2024-02-23 中冶赛迪工程技术股份有限公司 一种芯棒支撑架快速泄压控制回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115002U (en, 2012) * 1980-02-06 1981-09-03

Also Published As

Publication number Publication date
JPH02134303U (en, 2012) 1990-11-07

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