JPH0249410B2 - - Google Patents

Info

Publication number
JPH0249410B2
JPH0249410B2 JP57044731A JP4473182A JPH0249410B2 JP H0249410 B2 JPH0249410 B2 JP H0249410B2 JP 57044731 A JP57044731 A JP 57044731A JP 4473182 A JP4473182 A JP 4473182A JP H0249410 B2 JPH0249410 B2 JP H0249410B2
Authority
JP
Japan
Prior art keywords
oil
port
hydraulic cylinder
tank
ports
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
JP57044731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58163875A (ja
Inventor
Kunihiko Matsuzawa
Yoshiteru Furukawa
Takayuki Akyama
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP4473182A priority Critical patent/JPS58163875A/ja
Publication of JPS58163875A publication Critical patent/JPS58163875A/ja
Publication of JPH0249410B2 publication Critical patent/JPH0249410B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Multiple-Way Valves (AREA)
JP4473182A 1982-03-23 1982-03-23 往復動油圧シリンダの油圧切換弁 Granted JPS58163875A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4473182A JPS58163875A (ja) 1982-03-23 1982-03-23 往復動油圧シリンダの油圧切換弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4473182A JPS58163875A (ja) 1982-03-23 1982-03-23 往復動油圧シリンダの油圧切換弁

Publications (2)

Publication Number Publication Date
JPS58163875A JPS58163875A (ja) 1983-09-28
JPH0249410B2 true JPH0249410B2 (en, 2012) 1990-10-30

Family

ID=12699585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4473182A Granted JPS58163875A (ja) 1982-03-23 1982-03-23 往復動油圧シリンダの油圧切換弁

Country Status (1)

Country Link
JP (1) JPS58163875A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000431A1 (en) * 1989-06-26 1991-01-10 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit for operating cylinder of working machine
US6892535B2 (en) * 2002-06-14 2005-05-17 Volvo Construction Equipment Holding Sweden Ab Hydraulic circuit for boom cylinder combination having float function

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50149879A (en, 2012) * 1974-05-24 1975-12-01
JPS5531254A (en) * 1978-08-23 1980-03-05 Sanyo Electric Co Ltd Defrosting system of heat pump type refrigerator

Also Published As

Publication number Publication date
JPS58163875A (ja) 1983-09-28

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