JPS59138629A - 建設機械等の旋回継手 - Google Patents

建設機械等の旋回継手

Info

Publication number
JPS59138629A
JPS59138629A JP1288483A JP1288483A JPS59138629A JP S59138629 A JPS59138629 A JP S59138629A JP 1288483 A JP1288483 A JP 1288483A JP 1288483 A JP1288483 A JP 1288483A JP S59138629 A JPS59138629 A JP S59138629A
Authority
JP
Japan
Prior art keywords
joint
switching
spools
oil
spool
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
JP1288483A
Other languages
English (en)
Japanese (ja)
Other versions
JPH048574B2 (enrdf_load_stackoverflow
Inventor
Masahiro Mizutani
水谷　雅弘
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP1288483A priority Critical patent/JPS59138629A/ja
Publication of JPS59138629A publication Critical patent/JPS59138629A/ja
Publication of JPH048574B2 publication Critical patent/JPH048574B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
JP1288483A 1983-01-31 1983-01-31 建設機械等の旋回継手 Granted JPS59138629A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1288483A JPS59138629A (ja) 1983-01-31 1983-01-31 建設機械等の旋回継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1288483A JPS59138629A (ja) 1983-01-31 1983-01-31 建設機械等の旋回継手

Publications (2)

Publication Number Publication Date
JPS59138629A true JPS59138629A (ja) 1984-08-09
JPH048574B2 JPH048574B2 (enrdf_load_stackoverflow) 1992-02-17

Family

ID=11817824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1288483A Granted JPS59138629A (ja) 1983-01-31 1983-01-31 建設機械等の旋回継手

Country Status (1)

Country Link
JP (1) JPS59138629A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH048574B2 (enrdf_load_stackoverflow) 1992-02-17

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