OA01399A - Improvements made to hydraulic control systems for agricultural tractors. - Google Patents
Improvements made to hydraulic control systems for agricultural tractors.Info
- Publication number
- OA01399A OA01399A OA51866A OA51866A OA01399A OA 01399 A OA01399 A OA 01399A OA 51866 A OA51866 A OA 51866A OA 51866 A OA51866 A OA 51866A OA 01399 A OA01399 A OA 01399A
- Authority
- OA
- OAPI
- Prior art keywords
- hydraulic control
- control systems
- improvements made
- agricultural tractors
- tractors
- 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
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR789974A FR1229046A (en) | 1959-03-20 | 1959-03-20 | Improvements to hydraulic control systems for agricultural tractors |
Publications (1)
Publication Number | Publication Date |
---|---|
OA01399A true OA01399A (en) | 1969-07-04 |
Family
ID=8712753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA51866A OA01399A (en) | 1959-03-20 | 1964-12-31 | Improvements made to hydraulic control systems for agricultural tractors. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH368961A (en) |
DE (1) | DE1184540B (en) |
ES (1) | ES256183A1 (en) |
FR (1) | FR1229046A (en) |
OA (1) | OA01399A (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE856240C (en) * | 1951-08-08 | 1952-11-20 | Int Harvester Co | Hydraulic power lift with a servo motor |
DE929952C (en) * | 1953-02-14 | 1955-07-07 | Toussaint & Hess Gmbh | Control device for a hydraulic working piston which can be acted upon on one side |
AT192657B (en) * | 1953-05-26 | 1957-10-25 | David Brown Tractors Eng Ltd | Hydraulic lifting device for implements that can be attached to tractors |
DE951319C (en) * | 1953-11-06 | 1956-10-25 | Bosch Gmbh Robert | Control element for hydraulic power lifts, especially for agricultural tractors |
DE1049138B (en) * | 1957-04-09 | 1959-01-22 | Bosch Gmbh Robert | Control unit for hydraulic systems |
-
1959
- 1959-03-20 FR FR789974A patent/FR1229046A/en not_active Expired
-
1960
- 1960-02-25 CH CH212560A patent/CH368961A/en unknown
- 1960-02-26 DE DES67315A patent/DE1184540B/en active Pending
- 1960-03-01 ES ES0256183A patent/ES256183A1/en not_active Expired
-
1964
- 1964-12-31 OA OA51866A patent/OA01399A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1184540B (en) | 1964-12-31 |
CH368961A (en) | 1963-04-30 |
FR1229046A (en) | 1960-09-02 |
ES256183A1 (en) | 1960-06-16 |
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