CA1031240A - Commande hydraulique de positionnement pour outil aratoire - Google Patents

Commande hydraulique de positionnement pour outil aratoire

Info

Publication number
CA1031240A
CA1031240A CA245,945A CA245945A CA1031240A CA 1031240 A CA1031240 A CA 1031240A CA 245945 A CA245945 A CA 245945A CA 1031240 A CA1031240 A CA 1031240A
Authority
CA
Canada
Prior art keywords
control system
hydraulic control
positioning hydraulic
implement positioning
implement
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
Application number
CA245,945A
Other languages
English (en)
Inventor
John A. Junck
Larry W. Lorimor
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1031240A publication Critical patent/CA1031240A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • 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
    • E02F9/2004—Control mechanisms, e.g. control levers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
CA245,945A 1975-07-14 1976-02-17 Commande hydraulique de positionnement pour outil aratoire Expired CA1031240A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/595,819 US3997007A (en) 1975-07-14 1975-07-14 Implement positioning hydraulic control system

Publications (1)

Publication Number Publication Date
CA1031240A true CA1031240A (fr) 1978-05-16

Family

ID=24384816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245,945A Expired CA1031240A (fr) 1975-07-14 1976-02-17 Commande hydraulique de positionnement pour outil aratoire

Country Status (3)

Country Link
US (1) US3997007A (fr)
JP (1) JPS5736707Y2 (fr)
CA (1) CA1031240A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086843A (en) * 1977-02-17 1978-05-02 Caterpillar Tractor Co. Tilt tip circuit with bypass valve
JPS6143180Y2 (fr) * 1980-04-14 1986-12-06
JPS59138850A (ja) * 1983-01-28 1984-08-09 Matsushita Electric Ind Co Ltd 電気温水器
JPS6115041A (ja) * 1984-06-28 1986-01-23 Tokyo Electric Power Co Inc:The 貯湯式電気温水器
US4802537A (en) * 1985-09-20 1989-02-07 Caterpillar Inc. Control circuit for positioning and tilting an earthmoving blade
JPH01192921A (ja) * 1988-01-27 1989-08-03 Caterpillar Inc 建設機械の作業機位置制御装置
US6293077B1 (en) * 2000-05-02 2001-09-25 Mtd Products Inc Deck attachment and lift system
US6454542B1 (en) * 2000-11-28 2002-09-24 Laibe Corporation Hydraulic cylinder powered double acting duplex piston pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999834A (en) * 1932-06-02 1935-04-30 Cincinnati Milling Machine Co Multiple hydraulic motor operation
US3350986A (en) * 1966-03-17 1967-11-07 Caterpillar Tractor Co Two-pump supply for hydraulic circuits having different flow requirements
US3700044A (en) * 1970-09-21 1972-10-24 Allis Chalmers Mfg Co Hydraulic system for controlling bulldozer blade
US3705631A (en) * 1971-05-27 1972-12-12 Case Co J I Hydraulic tilt and pitch control for dozer blade
US3774696A (en) * 1971-10-13 1973-11-27 Case Co J I Pitch-tilt hydraulic circuits for dozer blades
US3795280A (en) * 1972-06-23 1974-03-05 Caterpillar Tractor Co Three-way lever control for hydraulic control circuit
US3854380A (en) * 1972-06-23 1974-12-17 Caterpillar Tractor Co Three-way lever control for hydraulic control circuit
JPS5011684U (fr) * 1973-05-29 1975-02-06

Also Published As

Publication number Publication date
JPS5213001U (fr) 1977-01-29
US3997007A (en) 1976-12-14
JPS5736707Y2 (fr) 1982-08-13

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