IT1158174B - DEVICE TO TURN A REVERSIBLE POWDER - Google Patents
DEVICE TO TURN A REVERSIBLE POWDERInfo
- Publication number
- IT1158174B IT1158174B IT7852377A IT5237778A IT1158174B IT 1158174 B IT1158174 B IT 1158174B IT 7852377 A IT7852377 A IT 7852377A IT 5237778 A IT5237778 A IT 5237778A IT 1158174 B IT1158174 B IT 1158174B
- Authority
- IT
- Italy
- Prior art keywords
- turn
- reversible
- powder
- reversible powder
- 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
- A01B3/00—Ploughs with fixed plough-shares
- A01B3/36—Ploughs mounted on tractors
- A01B3/40—Alternating ploughs
- A01B3/42—Turn-wrest ploughs
- A01B3/421—Turn-wrest ploughs with a headstock frame made in one piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
- F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772757467 DE2757467A1 (en) | 1977-12-22 | 1977-12-22 | DEVICE FOR SWIVELING A ROTATING PLOW |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7852377A0 IT7852377A0 (en) | 1978-12-20 |
IT1158174B true IT1158174B (en) | 1987-02-18 |
Family
ID=6026970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7852377A IT1158174B (en) | 1977-12-22 | 1978-12-20 | DEVICE TO TURN A REVERSIBLE POWDER |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2757467A1 (en) |
FR (1) | FR2412242A1 (en) |
GB (1) | GB2014022B (en) |
IT (1) | IT1158174B (en) |
NL (1) | NL7812497A (en) |
SE (1) | SE7812430L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3123727C2 (en) * | 1981-06-15 | 1989-09-21 | Emil Weber Fabrik für Ölhydraulik GmbH & Co, 7129 Güglingen | Control device for pivoting a reversible plow |
BR8406912A (en) * | 1983-05-21 | 1985-05-21 | Massey Ferguson Services Nv | FLUID PRESSURE SYSTEM AND VALVE DEVICE |
DE59002832D1 (en) * | 1989-09-28 | 1993-10-28 | Kugelfischer G Schaefer & Co | Hydraulic unit. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2151777A1 (en) * | 1971-10-18 | 1973-04-26 | Reinhard Kucharzyk | LIMIT SWITCH FOR HYDRAULIC SELF-CONTROLLING DIRECTIONAL VALVES |
DE2259867A1 (en) * | 1972-12-07 | 1974-06-12 | Krone Bernhard Gmbh Maschf | CONTROL FOR A TRACTOR HYDRAULIC ROTATING DEVICE |
NL7413850A (en) * | 1973-12-21 | 1975-06-24 | Hengstler Hydraulik | HYDRAULIC ROTATION DEVICE FOR A ROTATION PLANE ATTACHABLE TO A TRACTOR. |
FR2298262A2 (en) * | 1973-12-21 | 1976-08-20 | Hengstler Hydraulik | Hydraulic pivot for tractor towed rotary plough |
-
1977
- 1977-12-22 DE DE19772757467 patent/DE2757467A1/en not_active Withdrawn
-
1978
- 1978-12-04 SE SE7812430A patent/SE7812430L/en unknown
- 1978-12-20 GB GB7848209A patent/GB2014022B/en not_active Expired
- 1978-12-20 FR FR7836405A patent/FR2412242A1/en not_active Withdrawn
- 1978-12-20 IT IT7852377A patent/IT1158174B/en active
- 1978-12-22 NL NL7812497A patent/NL7812497A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2757467A1 (en) | 1979-07-05 |
IT7852377A0 (en) | 1978-12-20 |
FR2412242A1 (en) | 1979-07-20 |
NL7812497A (en) | 1979-06-26 |
GB2014022A (en) | 1979-08-22 |
GB2014022B (en) | 1982-02-03 |
SE7812430L (en) | 1979-06-23 |
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