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FR2639791B1 - Machine agricole, notamment pour la preparation des lits de semences - Google Patents

Machine agricole, notamment pour la preparation des lits de semences

Info

Publication number
FR2639791B1
FR2639791B1 FR9001727A FR9001727A FR2639791B1 FR 2639791 B1 FR2639791 B1 FR 2639791B1 FR 9001727 A FR9001727 A FR 9001727A FR 9001727 A FR9001727 A FR 9001727A FR 2639791 B1 FR2639791 B1 FR 2639791B1
Authority
FR
France
Prior art keywords
preparation
agricultural machine
seed beds
beds
seed
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 - Fee Related
Application number
FR9001727A
Other languages
English (en)
Other versions
FR2639791A1 (fr
Inventor
Ary Van Der Lely
Cornelis Johannes Gerardus Bom
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.)
C Van der Lely NV
Original Assignee
C Van der Lely NV
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
Priority claimed from NLAANVRAGE8300177,A external-priority patent/NL190180C/xx
Application filed by C Van der Lely NV filed Critical C Van der Lely NV
Priority to FR9001727A priority Critical patent/FR2639791B1/fr
Publication of FR2639791A1 publication Critical patent/FR2639791A1/fr
Application granted granted Critical
Publication of FR2639791B1 publication Critical patent/FR2639791B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A01B49/00—Combined machines
    • A01B49/02—Combined machines with two or more soil-working tools of different kind
    • A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
    • A01B49/025—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven about a substantially vertical axis
    • 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
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/1117—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a hitch position sensor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Machines (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
FR9001727A 1983-01-18 1990-02-14 Machine agricole, notamment pour la preparation des lits de semences Expired - Fee Related FR2639791B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9001727A FR2639791B1 (fr) 1983-01-18 1990-02-14 Machine agricole, notamment pour la preparation des lits de semences

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE8300177,A NL190180C (nl) 1983-01-18 1983-01-18 Grondbewerkingsmachine.
FR9001727A FR2639791B1 (fr) 1983-01-18 1990-02-14 Machine agricole, notamment pour la preparation des lits de semences

Publications (2)

Publication Number Publication Date
FR2639791A1 FR2639791A1 (fr) 1990-06-08
FR2639791B1 true FR2639791B1 (fr) 1992-08-14

Family

ID=26227860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9001727A Expired - Fee Related FR2639791B1 (fr) 1983-01-18 1990-02-14 Machine agricole, notamment pour la preparation des lits de semences

Country Status (1)

Country Link
FR (1) FR2639791B1 (fr)

Also Published As

Publication number Publication date
FR2639791A1 (fr) 1990-06-08

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Legal Events

Date Code Title Description
ST Notification of lapse