CA2252293C - Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression - Google Patents

Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression Download PDF

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Publication number
CA2252293C
CA2252293C CA 2252293 CA2252293A CA2252293C CA 2252293 C CA2252293 C CA 2252293C CA 2252293 CA2252293 CA 2252293 CA 2252293 A CA2252293 A CA 2252293A CA 2252293 C CA2252293 C CA 2252293C
Authority
CA
Canada
Prior art keywords
wing
hydraulic
circuit
wings
actuator
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
CA 2252293
Other languages
English (en)
Other versions
CA2252293A1 (fr
Inventor
Dean Jay Mayerle
David Robert Hundeby
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.)
CNH Industrial Canada Ltd
Original Assignee
CNH Canada 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 CNH Canada Ltd filed Critical CNH Canada Ltd
Priority to CA 2252293 priority Critical patent/CA2252293C/fr
Publication of CA2252293A1 publication Critical patent/CA2252293A1/fr
Priority to US09/897,874 priority patent/US6378619B2/en
Application granted granted Critical
Publication of CA2252293C publication Critical patent/CA2252293C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A01B63/24—Tools or tool-holders adjustable relatively to the frame
    • A01B63/32—Tools or tool-holders adjustable relatively to the frame operated by hydraulic or pneumatic means without automatic control
    • 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
    • A01B73/00—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width
    • A01B73/02—Folding frames
    • A01B73/04—Folding frames foldable about a horizontal axis
    • A01B73/044—Folding frames foldable about a horizontal axis the axis being oriented in a longitudinal direction

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
CA 2252293 1998-10-30 1998-10-30 Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression Expired - Lifetime CA2252293C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2252293 CA2252293C (fr) 1998-10-30 1998-10-30 Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression
US09/897,874 US6378619B2 (en) 1998-10-30 2001-07-03 Agricultural ground working implement with hydraulic downpressure circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2252293 CA2252293C (fr) 1998-10-30 1998-10-30 Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression

Publications (2)

Publication Number Publication Date
CA2252293A1 CA2252293A1 (fr) 2000-04-30
CA2252293C true CA2252293C (fr) 2006-09-19

Family

ID=29425571

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2252293 Expired - Lifetime CA2252293C (fr) 1998-10-30 1998-10-30 Instrument agraire pour travailler le sol avec un circuit hydraulique a basse pression

Country Status (1)

Country Link
CA (1) CA2252293C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11464153B2 (en) 2017-12-21 2022-10-11 Agco Corporation Tillage implement with gauge wheels having hydraulic down-pressure
FR3093611B1 (fr) 2019-03-13 2022-06-17 Kuhn Machine agricole équipée d’un tirant de répartition

Also Published As

Publication number Publication date
CA2252293A1 (fr) 2000-04-30

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20181030