FR2328381A1 - Procede et dispositif de commande de la profondeur de labour d'un tracteur agricole - Google Patents

Procede et dispositif de commande de la profondeur de labour d'un tracteur agricole

Info

Publication number
FR2328381A1
FR2328381A1 FR7632471A FR7632471A FR2328381A1 FR 2328381 A1 FR2328381 A1 FR 2328381A1 FR 7632471 A FR7632471 A FR 7632471A FR 7632471 A FR7632471 A FR 7632471A FR 2328381 A1 FR2328381 A1 FR 2328381A1
Authority
FR
France
Prior art keywords
circuit
ploughing depth
speed sensors
valves
control system
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.)
Granted
Application number
FR7632471A
Other languages
English (en)
Other versions
FR2328381B3 (fr
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Publication of FR2328381A1 publication Critical patent/FR2328381A1/fr
Application granted granted Critical
Publication of FR2328381B3 publication Critical patent/FR2328381B3/fr
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111Lifting 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
    • A01B63/1115Lifting 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 mechanical ground contact sensor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B57/00Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
    • A47B57/30Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports
    • A47B57/40Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of hooks coacting with openings

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
FR7632471A 1975-10-23 1976-10-22 Procede et dispositif de commande de la profondeur de labour d'un tracteur agricole Granted FR2328381A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28584/75A IT1043594B (it) 1975-10-23 1975-10-23 Sistema e dispositivo per il ocnstrollo della profondita di armatura di un trattore agricolo

Publications (2)

Publication Number Publication Date
FR2328381A1 true FR2328381A1 (fr) 1977-05-20
FR2328381B3 FR2328381B3 (fr) 1979-07-13

Family

ID=11223830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632471A Granted FR2328381A1 (fr) 1975-10-23 1976-10-22 Procede et dispositif de commande de la profondeur de labour d'un tracteur agricole

Country Status (5)

Country Link
DE (1) DE2647077A1 (fr)
FR (1) FR2328381A1 (fr)
IT (1) IT1043594B (fr)
NL (1) NL7611758A (fr)
SE (1) SE7611746L (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443188A1 (fr) * 1978-12-08 1980-07-04 Lely Nv C Van Der Tracteur muni d'un dispositif de reglage automatique en fonction des conditions de charge
FR2566225A1 (fr) * 1984-06-22 1985-12-27 Teves Gmbh Alfred Dispositif de commande pour tracteur agricole
FR2571207A1 (fr) * 1984-10-05 1986-04-11 Bosch Gmbh Robert Appareil pour regler la position d'un outil de travail articule par un relevage a un vehicule de travail agricole
EP0241168A1 (fr) * 1986-04-10 1987-10-14 Massey-Ferguson Services N.V. Système de contrôle d'outil

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365672A (en) * 1980-06-05 1982-12-28 International Harvester Co. Automatic alternating marker system
DE3235818A1 (de) * 1982-09-28 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur steuerung der arbeitstiefe eines bodenbearbeitungsgeraetes
DE3612763A1 (de) * 1986-04-16 1987-10-22 Bosch Gmbh Robert Elektrohydraulische hubwerks-regeleinrichtung
DE3612764A1 (de) * 1986-04-16 1987-10-22 Bosch Gmbh Robert Elektrohydraulische hubwerks-regeleinrichtung
FI902498A (fi) * 1990-05-21 1991-11-22 Valmet Oy Foerfarande och arrangemang foer automatisk begraensning av slirningen av de drivande hjulen av en traktor eller motsvarande arbetsmaskin.
US5190111A (en) * 1991-06-03 1993-03-02 Ford New Holland, Inc. Hitch positioning with slip override control and calibrated wheel speed for determining slip

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443188A1 (fr) * 1978-12-08 1980-07-04 Lely Nv C Van Der Tracteur muni d'un dispositif de reglage automatique en fonction des conditions de charge
FR2566225A1 (fr) * 1984-06-22 1985-12-27 Teves Gmbh Alfred Dispositif de commande pour tracteur agricole
FR2571207A1 (fr) * 1984-10-05 1986-04-11 Bosch Gmbh Robert Appareil pour regler la position d'un outil de travail articule par un relevage a un vehicule de travail agricole
EP0241168A1 (fr) * 1986-04-10 1987-10-14 Massey-Ferguson Services N.V. Système de contrôle d'outil

Also Published As

Publication number Publication date
DE2647077A1 (de) 1977-05-05
SE7611746L (sv) 1977-04-24
NL7611758A (nl) 1977-04-26
FR2328381B3 (fr) 1979-07-13
IT1043594B (it) 1980-02-29

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Legal Events

Date Code Title Description
ST Notification of lapse