OA01448A - Dispositif de relevage hydraulique pour tracteurs. - Google Patents
Dispositif de relevage hydraulique pour tracteurs.Info
- Publication number
- OA01448A OA01448A OA51982A OA51982A OA01448A OA 01448 A OA01448 A OA 01448A OA 51982 A OA51982 A OA 51982A OA 51982 A OA51982 A OA 51982A OA 01448 A OA01448 A OA 01448A
- Authority
- OA
- OAPI
- Prior art keywords
- tractors
- lifting device
- hydraulic lifting
- hydraulic
- lifting
- Prior art date
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
- A01B63/114—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 to achieve a constant working depth
- A01B63/1145—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 to achieve a constant working depth for controlling weight transfer between implements and tractor 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
- 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
- A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
- A01B63/1013—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor and being located inside the tractor body
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR774018A FR1222459A (fr) | 1958-09-08 | 1958-09-08 | Dispositif de relevage hydraulique pour tracteurs |
FR813982 | 1959-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
OA01448A true OA01448A (fr) | 1969-07-04 |
Family
ID=26183552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA51982A OA01448A (fr) | 1958-09-08 | 1964-12-31 | Dispositif de relevage hydraulique pour tracteurs. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3156156A (fr) |
FR (1) | FR76796E (fr) |
GB (1) | GB927176A (fr) |
OA (1) | OA01448A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239012A (en) * | 1960-08-26 | 1966-03-08 | Massey Ferguson Inc | Hydraulic power unit and control system for tractors |
FR1325023A (fr) * | 1962-03-14 | 1963-04-26 | Siderurgie Fse Inst Rech | Procédé de régulation pour captage sans combustion des gaz provenant de l'affinage pneumatique des fontes |
US4183287A (en) * | 1975-02-22 | 1980-01-15 | Kubota Tekko Co., Ltd. | Hydraulic control apparatus for tractor |
JP4206373B2 (ja) * | 2004-08-24 | 2009-01-07 | ヤンマー株式会社 | 油圧リフト構造 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375946A (en) * | 1942-07-08 | 1945-05-15 | Western Electric Co | Control system |
US2538143A (en) * | 1943-02-01 | 1951-01-16 | Deere & Co | Power lift |
US2482249A (en) * | 1944-11-01 | 1949-09-20 | Deere & Co | Hydraulic mechanism |
US2477710A (en) * | 1945-10-15 | 1949-08-02 | Deere & Co | Pressure fluid follow-up servomotor |
US2847030A (en) * | 1955-01-03 | 1958-08-12 | Ford Motor Co | Valve means for tractor hydraulic system |
US2851938A (en) * | 1956-05-28 | 1958-09-16 | Deere Mfg Co | Tractor hydraulic power lift control |
-
1959
- 1959-08-10 US US832814A patent/US3156156A/en not_active Expired - Lifetime
- 1959-08-25 GB GB29075/59A patent/GB927176A/en not_active Expired
- 1959-12-23 FR FR813982A patent/FR76796E/fr not_active Expired
-
1964
- 1964-12-31 OA OA51982A patent/OA01448A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB927176A (en) | 1963-05-29 |
US3156156A (en) | 1964-11-10 |
FR76796E (fr) | 1961-12-01 |
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