DE3868937D1 - Unter konstantem druck gesteuertes planierschild. - Google Patents
Unter konstantem druck gesteuertes planierschild.Info
- Publication number
- DE3868937D1 DE3868937D1 DE8888906169T DE3868937T DE3868937D1 DE 3868937 D1 DE3868937 D1 DE 3868937D1 DE 8888906169 T DE8888906169 T DE 8888906169T DE 3868937 T DE3868937 T DE 3868937T DE 3868937 D1 DE3868937 D1 DE 3868937D1
- Authority
- DE
- Germany
- Prior art keywords
- constant pressure
- under constant
- controlled under
- plate controlled
- planning plate
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Unwinding Webs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8702668A SE456682B (sv) | 1987-06-26 | 1987-06-26 | Saett och anordning foer konstanttryckreglering av ett vaeghyvelblad |
PCT/SE1988/000328 WO1988010342A1 (en) | 1987-06-26 | 1988-06-16 | Constant pressure regulation of grader blades |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3868937D1 true DE3868937D1 (de) | 1992-04-09 |
Family
ID=20368997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888906169T Expired - Fee Related DE3868937D1 (de) | 1987-06-26 | 1988-06-16 | Unter konstantem druck gesteuertes planierschild. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5044446A (de) |
EP (1) | EP0377576B1 (de) |
JP (1) | JPH03500190A (de) |
CA (1) | CA1316794C (de) |
DE (1) | DE3868937D1 (de) |
FI (1) | FI88949C (de) |
NO (1) | NO168127C (de) |
SE (1) | SE456682B (de) |
WO (1) | WO1988010342A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5697452A (en) * | 1995-12-05 | 1997-12-16 | American Roller Bushing Corporation | Sod roll laying apparatus and method |
US5647439A (en) * | 1995-12-14 | 1997-07-15 | Caterpillar Inc. | Implement control system for locating a surface interface and removing a layer of material |
US5718115A (en) * | 1996-05-31 | 1998-02-17 | Aim, Inc. | Constant force hydraulic control system |
WO2001017330A1 (en) * | 1999-09-03 | 2001-03-15 | Wojanis James R | Hydraulic plow balancing system |
DE602004029771D1 (de) * | 2003-03-17 | 2010-12-09 | Kalannin Kaspek Oy | Maschine zur eiserneuerung sowie system und verfahren zur eiserhaltung |
US8858151B2 (en) * | 2011-08-16 | 2014-10-14 | Caterpillar Inc. | Machine having hydraulically actuated implement system with down force control, and method |
DE102014202766B4 (de) * | 2014-02-14 | 2023-04-27 | Thomas Löcher | Anordnung zur Regelung eines hydraulischen Antriebselements |
US10624263B2 (en) * | 2016-06-21 | 2020-04-21 | Macdon Industries Ltd | Crop machine with an electronically controlled hydraulic cylinder flotation system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1954194A1 (de) * | 1969-10-28 | 1971-05-06 | Zinser Textilmaschinen Gmbh | Hydraulische Antriebsvorrichtung zum Changieren von die Fadenaufwindung steuernden Baenken |
GB1261134A (en) * | 1969-11-05 | 1972-01-19 | Ch Traktorny Zd | Directional control valves for the power cylinders of operating elements of machines |
US3872670A (en) * | 1973-05-02 | 1975-03-25 | Caterpillar Tractor Co | Selectively actuatable shock absorbing system for an implement control circuit |
US4024796A (en) * | 1975-09-24 | 1977-05-24 | Caterpillar Tractor Co. | Float control electrical circuit for a blade |
US4353423A (en) * | 1977-09-21 | 1982-10-12 | Kep Enterprises | Hydraulic reset for tillage and seeding equipment |
JPS5563003A (en) * | 1978-11-01 | 1980-05-12 | Caterpillar Tractor Co | Hydraulic control circuit with quick drop valve |
JPS56501058A (de) * | 1979-08-30 | 1981-07-30 | ||
US4372193A (en) * | 1980-12-24 | 1983-02-08 | Caterpillar Tractor Co. | System with constant force actuator |
DE3739525A1 (de) * | 1987-11-21 | 1989-06-01 | Orenstein & Koppel Ag | Planierfahrzeug |
-
1987
- 1987-06-26 SE SE8702668A patent/SE456682B/sv not_active IP Right Cessation
-
1988
- 1988-06-16 WO PCT/SE1988/000328 patent/WO1988010342A1/en active IP Right Grant
- 1988-06-16 CA CA000569616A patent/CA1316794C/en not_active Expired - Fee Related
- 1988-06-16 US US07/457,727 patent/US5044446A/en not_active Expired - Fee Related
- 1988-06-16 DE DE8888906169T patent/DE3868937D1/de not_active Expired - Fee Related
- 1988-06-16 JP JP63505574A patent/JPH03500190A/ja active Pending
- 1988-06-16 EP EP88906169A patent/EP0377576B1/de not_active Expired - Lifetime
-
1989
- 1989-12-22 NO NO895212A patent/NO168127C/no unknown
- 1989-12-22 FI FI896247A patent/FI88949C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI88949B (fi) | 1993-04-15 |
FI896247A0 (fi) | 1989-12-22 |
NO168127C (no) | 1992-01-15 |
NO895212L (no) | 1989-12-22 |
EP0377576B1 (de) | 1992-03-04 |
CA1316794C (en) | 1993-04-27 |
SE456682B (sv) | 1988-10-24 |
WO1988010342A1 (en) | 1988-12-29 |
JPH03500190A (ja) | 1991-01-17 |
EP0377576A1 (de) | 1990-07-18 |
FI88949C (fi) | 1993-07-26 |
US5044446A (en) | 1991-09-03 |
NO895212D0 (no) | 1989-12-22 |
NO168127B (no) | 1991-10-07 |
SE8702668D0 (sv) | 1987-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |