DE2837795C2 - - Google Patents
Info
- Publication number
- DE2837795C2 DE2837795C2 DE2837795A DE2837795A DE2837795C2 DE 2837795 C2 DE2837795 C2 DE 2837795C2 DE 2837795 A DE2837795 A DE 2837795A DE 2837795 A DE2837795 A DE 2837795A DE 2837795 C2 DE2837795 C2 DE 2837795C2
- Authority
- DE
- Germany
- 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
- A01B63/112—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 control draught load, i.e. tractive force
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782837795 DE2837795A1 (de) | 1978-08-30 | 1978-08-30 | Hydraulische regeleinrichtung fuer einen arbeitszylinder eines landwirtschaftlichen fahrzeugs |
US06/062,897 US4329911A (en) | 1978-08-30 | 1979-08-01 | Hydraulic regulating device for a working cylinder of an agricultural vehicle |
GB7928691A GB2028627B (en) | 1978-08-30 | 1979-08-17 | Hydraulic control apparatus for a working cylinder of an agricultural vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782837795 DE2837795A1 (de) | 1978-08-30 | 1978-08-30 | Hydraulische regeleinrichtung fuer einen arbeitszylinder eines landwirtschaftlichen fahrzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2837795A1 DE2837795A1 (de) | 1980-03-13 |
DE2837795C2 true DE2837795C2 (US06653308-20031125-C00199.png) | 1987-01-08 |
Family
ID=6048246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782837795 Granted DE2837795A1 (de) | 1978-08-30 | 1978-08-30 | Hydraulische regeleinrichtung fuer einen arbeitszylinder eines landwirtschaftlichen fahrzeugs |
Country Status (3)
Country | Link |
---|---|
US (1) | US4329911A (US06653308-20031125-C00199.png) |
DE (1) | DE2837795A1 (US06653308-20031125-C00199.png) |
GB (1) | GB2028627B (US06653308-20031125-C00199.png) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3017554A1 (de) * | 1980-05-08 | 1981-11-12 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zum steuern eines hubwerks an einem landwirtschaftlichen fahrzeug, insbesondere eines pfluges an einem traktor |
DE3106929C2 (de) * | 1981-02-25 | 1985-12-05 | Busatis-Werke GmbH u. Co KG, 5630 Remscheid | Anbau-Frontmäher mit hin- und hergehenden Mähmessern |
US4622803A (en) * | 1984-06-28 | 1986-11-18 | J. I. Case Company | Header flotation |
US4982762A (en) * | 1989-03-15 | 1991-01-08 | Deere & Company | Hydraulic lift with weight transfer |
US4920732A (en) * | 1989-03-15 | 1990-05-01 | Deere & Company | Hydraulic lift with weight transfer |
US5138838A (en) * | 1991-02-15 | 1992-08-18 | Caterpillar Inc. | Hydraulic circuit and control system therefor |
AU7087200A (en) * | 1999-09-03 | 2001-04-10 | James R. Wojanis | Hydraulic plow balancing system |
US8925439B2 (en) | 2011-01-13 | 2015-01-06 | Husco International, Inc. | Valve control valve circuit for operating a single acting hydraulic cylinder |
US8406966B2 (en) | 2011-01-13 | 2013-03-26 | Husco International, Inc. | Draft control method for operating an earth moving machine |
CA3073773C (en) | 2011-06-03 | 2022-04-19 | Precision Planting Llc | Agricultural toolbar apparatus, systems and methods |
AU2013201057B2 (en) * | 2012-11-06 | 2014-11-20 | SINGH, Kalvin Jit MR | Improvements in and Relating to Load Transfer |
CN104514765B (zh) * | 2013-09-26 | 2018-02-23 | 陕西中大机械集团有限责任公司 | 用于控制摊铺机液压辅助系统的多路阀液压系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750862A (en) * | 1950-08-09 | 1956-06-19 | Ford Motor Co | Hydraulic control system for tractors |
DE1276959B (de) * | 1967-05-23 | 1968-09-05 | Kloeckner Humboldt Deutz Ag | Hydraulische Kraftheberanlage fuer Ackerschlepper |
US3990520A (en) * | 1975-08-04 | 1976-11-09 | Deere & Company | Tractor with hydraulic draft control |
-
1978
- 1978-08-30 DE DE19782837795 patent/DE2837795A1/de active Granted
-
1979
- 1979-08-01 US US06/062,897 patent/US4329911A/en not_active Expired - Lifetime
- 1979-08-17 GB GB7928691A patent/GB2028627B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2837795A1 (de) | 1980-03-13 |
GB2028627A (en) | 1980-03-12 |
US4329911A (en) | 1982-05-18 |
GB2028627B (en) | 1982-11-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |