JPS5222267A - Control oil circuit for joint-system crane - Google Patents

Control oil circuit for joint-system crane

Info

Publication number
JPS5222267A
JPS5222267A JP9774475A JP9774475A JPS5222267A JP S5222267 A JPS5222267 A JP S5222267A JP 9774475 A JP9774475 A JP 9774475A JP 9774475 A JP9774475 A JP 9774475A JP S5222267 A JPS5222267 A JP S5222267A
Authority
JP
Japan
Prior art keywords
joint
control oil
oil circuit
system crane
crane
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
JP9774475A
Other languages
Japanese (ja)
Other versions
JPS5430813B2 (en
Inventor
Akimitsu Hyo
Norio Iwata
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 JP9774475A priority Critical patent/JPS5222267A/en
Publication of JPS5222267A publication Critical patent/JPS5222267A/en
Publication of JPS5430813B2 publication Critical patent/JPS5430813B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: To feed a high pressure oil in a large quantity to an oil feed circuit of a hydraulic device attached to a hydraulic machine when an operation of a control oil pressure circuit including two control valves is not necessary.
COPYRIGHT: (C)1977,JPO&Japio
JP9774475A 1975-08-12 1975-08-12 Control oil circuit for joint-system crane Granted JPS5222267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9774475A JPS5222267A (en) 1975-08-12 1975-08-12 Control oil circuit for joint-system crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9774475A JPS5222267A (en) 1975-08-12 1975-08-12 Control oil circuit for joint-system crane

Publications (2)

Publication Number Publication Date
JPS5222267A true JPS5222267A (en) 1977-02-19
JPS5430813B2 JPS5430813B2 (en) 1979-10-03

Family

ID=14200385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9774475A Granted JPS5222267A (en) 1975-08-12 1975-08-12 Control oil circuit for joint-system crane

Country Status (1)

Country Link
JP (1) JPS5222267A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11692051B2 (en) * 2017-09-28 2023-07-04 Zeon Corporation Method for producing nitrile group-containing copolymer rubber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11692051B2 (en) * 2017-09-28 2023-07-04 Zeon Corporation Method for producing nitrile group-containing copolymer rubber

Also Published As

Publication number Publication date
JPS5430813B2 (en) 1979-10-03

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