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 agricoleInfo
- 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
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
- A01B63/02—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
- A01B63/1115—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 mechanical ground contact sensor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
- A47B57/30—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports
- A47B57/40—Cabinets, 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)
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)
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)
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 |
-
1975
- 1975-10-23 IT IT28584/75A patent/IT1043594B/it active
-
1976
- 1976-10-19 DE DE19762647077 patent/DE2647077A1/de active Pending
- 1976-10-22 SE SE7611746A patent/SE7611746L/xx not_active Application Discontinuation
- 1976-10-22 FR FR7632471A patent/FR2328381A1/fr active Granted
- 1976-10-22 NL NL7611758A patent/NL7611758A/xx not_active Application Discontinuation
Cited By (4)
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 |