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
Application number
DE8888906169T
Other languages
English (en)
Inventor
Karl-Jonas Jonasson
Bo Tibaeck
Lars-Ake Hedberg
Alf Wallin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TUBE HYDRAULIK AB
Original Assignee
TUBE HYDRAULIK AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TUBE HYDRAULIK AB filed Critical TUBE HYDRAULIK AB
Application granted granted Critical
Publication of DE3868937D1 publication Critical patent/DE3868937D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8888906169T 1987-06-26 1988-06-16 Unter konstantem druck gesteuertes planierschild. Expired - Fee Related DE3868937D1 (de)

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)

* Cited by examiner, † Cited by third party
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
US6467553B1 (en) * 1999-09-03 2002-10-22 James R. Wojanis 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)

* Cited by examiner, † Cited by third party
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
WO1981000598A1 (en) * 1979-08-30 1981-03-05 Caterpillar Tractor Co Selectively actuatable fluid control system for a work implement
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

Also Published As

Publication number Publication date
NO895212D0 (no) 1989-12-22
WO1988010342A1 (en) 1988-12-29
US5044446A (en) 1991-09-03
CA1316794C (en) 1993-04-27
SE456682B (sv) 1988-10-24
NO168127B (no) 1991-10-07
JPH03500190A (ja) 1991-01-17
FI896247A0 (fi) 1989-12-22
NO895212L (no) 1989-12-22
NO168127C (no) 1992-01-15
EP0377576B1 (de) 1992-03-04
FI88949B (fi) 1993-04-15
EP0377576A1 (de) 1990-07-18
FI88949C (fi) 1993-07-26
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