CA1117626A - Systeme limiteur-regulateur de penetration pour accessoires agricoles - Google Patents

Systeme limiteur-regulateur de penetration pour accessoires agricoles

Info

Publication number
CA1117626A
CA1117626A CA000336599A CA336599A CA1117626A CA 1117626 A CA1117626 A CA 1117626A CA 000336599 A CA000336599 A CA 000336599A CA 336599 A CA336599 A CA 336599A CA 1117626 A CA1117626 A CA 1117626A
Authority
CA
Canada
Prior art keywords
control
valve
working element
limit
cylinders
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
CA000336599A
Other languages
English (en)
Inventor
Randolph G. Fardal
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.)
Case LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1117626A publication Critical patent/CA1117626A/fr
Expired 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
    • A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
    • A01B63/16—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame
    • A01B63/22—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame operated by hydraulic or pneumatic means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
CA000336599A 1978-10-13 1979-09-28 Systeme limiteur-regulateur de penetration pour accessoires agricoles Expired CA1117626A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95110678A 1978-10-13 1978-10-13
US951,106 1978-10-13

Publications (1)

Publication Number Publication Date
CA1117626A true CA1117626A (fr) 1982-02-02

Family

ID=25491273

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000336599A Expired CA1117626A (fr) 1978-10-13 1979-09-28 Systeme limiteur-regulateur de penetration pour accessoires agricoles

Country Status (3)

Country Link
AU (1) AU5160679A (fr)
CA (1) CA1117626A (fr)
FR (1) FR2438409A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3213615A1 (fr) * 2016-03-02 2017-09-06 Deere & Company Outil agricole, machine de travail le comprenant et procédé de commande de l'outil
US10667454B2 (en) 2016-03-02 2020-06-02 Deere & Company Hydraulic control system of an implement for a work machine and method thereof
US10750653B2 (en) 2016-03-02 2020-08-25 Deere & Company Automated leveling and depth control system of a work machine and method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337959A (en) * 1980-06-05 1982-07-06 International Harvester Co. Self-leveling and height control hydraulic system
FR2568088B1 (fr) * 1984-07-26 1988-06-24 Stark Crister Appareil de reglage pour outils de machines-agricoles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630290A (en) * 1969-04-28 1971-12-28 Deere & Co Hydraulic power lift system for tractor and implement
JPS5139447B2 (fr) * 1971-09-06 1976-10-28
US3731746A (en) * 1971-11-18 1973-05-08 Allis Chalmers Weight transfer hitch
US4053018A (en) * 1973-05-23 1977-10-11 Kabushiki Kaisha Komatsu Seisakusho Automatic control system for earth-moving equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3213615A1 (fr) * 2016-03-02 2017-09-06 Deere & Company Outil agricole, machine de travail le comprenant et procédé de commande de l'outil
US9961823B2 (en) 2016-03-02 2018-05-08 Deere & Company Hydraulic control system of an implement for a work machine and method thereof
US10667454B2 (en) 2016-03-02 2020-06-02 Deere & Company Hydraulic control system of an implement for a work machine and method thereof
US10750653B2 (en) 2016-03-02 2020-08-25 Deere & Company Automated leveling and depth control system of a work machine and method thereof

Also Published As

Publication number Publication date
AU5160679A (en) 1980-04-17
FR2438409A1 (fr) 1980-05-09

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Legal Events

Date Code Title Description
MKEX Expiry