FR2257215B1 - - Google Patents

Info

Publication number
FR2257215B1
FR2257215B1 FR7434498A FR7434498A FR2257215B1 FR 2257215 B1 FR2257215 B1 FR 2257215B1 FR 7434498 A FR7434498 A FR 7434498A FR 7434498 A FR7434498 A FR 7434498A FR 2257215 B1 FR2257215 B1 FR 2257215B1
Authority
FR
France
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
FR7434498A
Other languages
French (fr)
Other versions
FR2257215A1 (en
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.)
DMI
DMI Inc
Original Assignee
DMI
DMI Inc
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 US432894A external-priority patent/US3918528A/en
Application filed by DMI, DMI Inc filed Critical DMI
Publication of FR2257215A1 publication Critical patent/FR2257215A1/fr
Application granted granted Critical
Publication of FR2257215B1 publication Critical patent/FR2257215B1/fr
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
    • A01B3/00—Ploughs with fixed plough-shares
    • A01B3/46—Ploughs supported partly by tractor and partly by their own wheels
    • 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
    • A01B15/00—Elements, tools, or details of ploughs
    • A01B15/14—Frames
    • A01B15/145—Frames the plough blades being connected to the plough beam for unisono adjustment of the furrow width
    • 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
    • A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/003—Steering or guiding of machines or implements pushed or pulled by or mounted on agricultural vehicles such as tractors, e.g. by lateral shifting of the towing connection
    • A01B69/006—Steering or guiding of machines or implements pushed or pulled by or mounted on agricultural vehicles such as tractors, e.g. by lateral shifting of the towing connection derived from the steering of the tractor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)
  • Agricultural Machines (AREA)
FR7434498A 1974-01-14 1974-10-14 Tractor drawn plough - shares pivoted by operating arm to adjust angle and alter distance between furrows Granted FR2257215A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US432894A US3918528A (en) 1972-02-16 1974-01-14 Plow system with plurality of plow units and means for adjusting spacing between units in a continuous manner

Publications (2)

Publication Number Publication Date
FR2257215A1 FR2257215A1 (en) 1975-08-08
FR2257215B1 true FR2257215B1 (nl) 1978-11-24

Family

ID=23718007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434498A Granted FR2257215A1 (en) 1974-01-14 1974-10-14 Tractor drawn plough - shares pivoted by operating arm to adjust angle and alter distance between furrows

Country Status (3)

Country Link
BE (1) BE821342A (nl)
DE (1) DE2450386A1 (nl)
FR (1) FR2257215A1 (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036306A (en) * 1975-09-29 1977-07-19 Dmi Inc. Multi-unit adjustable plow pulled by vehicle and having steering wheel turnable only on adjustment of plow
US4098346A (en) * 1976-10-01 1978-07-04 Deere & Company Steering for plow with adjustable plow bottoms
FR2418611A1 (fr) * 1978-03-03 1979-09-28 Thieme Gerard Charrue
NO149906C (no) * 1982-05-10 1984-07-18 Kverneland As Anordning ved jordbruksredskaper
FR2721792B1 (fr) * 1994-06-30 1996-09-27 Gregoire & Cie Besson Charrue simple a maniabilite amelioree lors des manoeuvres
FR2789842B1 (fr) 1999-02-18 2001-04-27 Mecanique Agricole Generale Charrue a largeur variable

Also Published As

Publication number Publication date
DE2450386A1 (de) 1975-07-17
FR2257215A1 (en) 1975-08-08
BE821342A (fr) 1975-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse