FR2140384B1 - - Google Patents
Info
- Publication number
- FR2140384B1 FR2140384B1 FR7213844A FR7213844A FR2140384B1 FR 2140384 B1 FR2140384 B1 FR 2140384B1 FR 7213844 A FR7213844 A FR 7213844A FR 7213844 A FR7213844 A FR 7213844A FR 2140384 B1 FR2140384 B1 FR 2140384B1
- 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
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
- A01B63/1117—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)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15231671A | 1971-06-11 | 1971-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2140384A1 FR2140384A1 (fr) | 1973-01-19 |
FR2140384B1 true FR2140384B1 (fr) | 1974-10-04 |
Family
ID=22542409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7213844A Expired FR2140384B1 (fr) | 1971-06-11 | 1972-04-19 |
Country Status (14)
Country | Link |
---|---|
US (1) | US3732933A (fr) |
AU (1) | AU454390B2 (fr) |
BE (1) | BE784645A (fr) |
BR (1) | BR7203301D0 (fr) |
CA (1) | CA962112A (fr) |
DE (1) | DE2225559A1 (fr) |
DK (1) | DK148641C (fr) |
ES (1) | ES402999A1 (fr) |
FR (1) | FR2140384B1 (fr) |
GB (1) | GB1349834A (fr) |
IT (1) | IT952105B (fr) |
NL (1) | NL151880B (fr) |
SE (1) | SE385758B (fr) |
ZA (1) | ZA721569B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI54981C (fi) * | 1974-02-27 | 1979-04-10 | Valmet Oy | Regleringssystem foer traktor |
JPS51124502A (en) * | 1975-04-25 | 1976-10-30 | Kubota Ltd | Automatic depth controller |
CA1066111A (fr) * | 1975-12-22 | 1979-11-13 | Otto Mueller (Jr.) | Commandes ameliorees de controle de la traction et de la position d'instruments aratoires tractes, munis d'un dispositif de controle de la profondeur de penetration |
US4160485A (en) * | 1977-12-23 | 1979-07-10 | Ford Motor Company | Tractor with draft load control system |
US4518044A (en) * | 1982-03-22 | 1985-05-21 | Deere & Company | Vehicle with control system for raising and lowering implement |
DE3316305C2 (de) * | 1983-05-04 | 1986-09-04 | Mannesmann Rexroth GmbH, 8770 Lohr | Schaltungsanordnung zum Steuern eines von einem Schlepper gezogenen, mittels eines Hubzylinders der Höhe nach verstellbaren Anbaugeräts |
FR2871412A1 (fr) * | 2004-06-14 | 2005-12-16 | Miloco Production Entpr Uniper | Systeme de maintien d'un attelage avec deverrouillage automatique |
US7798241B2 (en) * | 2008-09-19 | 2010-09-21 | Deere & Company | Mechanical hitch control unit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241621A (en) * | 1964-01-30 | 1966-03-22 | Massey Ferguson Inc | Tractor hydraulic control system |
US3313359A (en) * | 1964-04-23 | 1967-04-11 | Union Carbide Canada Ltd | Machine for thermally working minerals |
US3575241A (en) * | 1967-03-30 | 1971-04-20 | Ford Motor Co | Tractor hydraulic lift control system |
GB1239281A (fr) * | 1968-07-29 | 1971-07-14 | ||
US3653446A (en) * | 1969-07-24 | 1972-04-04 | White Farm Equip | Draft and position control for tractor drawn implements |
-
1971
- 1971-06-11 US US00152316A patent/US3732933A/en not_active Expired - Lifetime
-
1972
- 1972-03-03 IT IT48758/72A patent/IT952105B/it active
- 1972-03-08 ZA ZA721569A patent/ZA721569B/xx unknown
- 1972-03-08 CA CA136,873A patent/CA962112A/en not_active Expired
- 1972-03-17 AU AU40114/72A patent/AU454390B2/en not_active Expired
- 1972-04-19 FR FR7213844A patent/FR2140384B1/fr not_active Expired
- 1972-04-25 GB GB1903872A patent/GB1349834A/en not_active Expired
- 1972-05-19 ES ES402999A patent/ES402999A1/es not_active Expired
- 1972-05-25 BR BR3301/72A patent/BR7203301D0/pt unknown
- 1972-05-26 DE DE2225559A patent/DE2225559A1/de active Pending
- 1972-06-07 NL NL727207726A patent/NL151880B/xx not_active IP Right Cessation
- 1972-06-09 BE BE784645A patent/BE784645A/fr unknown
- 1972-06-09 DK DK289272A patent/DK148641C/da not_active IP Right Cessation
- 1972-06-09 SE SE7207609A patent/SE385758B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7207726A (fr) | 1972-12-13 |
ES402999A1 (es) | 1975-12-01 |
SE385758B (sv) | 1976-07-26 |
CA962112A (en) | 1975-02-04 |
US3732933A (en) | 1973-05-15 |
AU454390B2 (en) | 1974-10-14 |
BR7203301D0 (pt) | 1973-05-24 |
FR2140384A1 (fr) | 1973-01-19 |
NL151880B (nl) | 1977-01-17 |
DK148641B (da) | 1985-08-26 |
GB1349834A (en) | 1974-04-10 |
DE2225559A1 (de) | 1973-01-04 |
IT952105B (it) | 1973-07-20 |
DK148641C (da) | 1986-02-24 |
ZA721569B (en) | 1972-11-29 |
AU4011472A (en) | 1973-09-20 |
BE784645A (fr) | 1972-10-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |