SE9201514L - DEVICE AT MACHINERY - Google Patents
DEVICE AT MACHINERYInfo
- Publication number
- SE9201514L SE9201514L SE9201514A SE9201514A SE9201514L SE 9201514 L SE9201514 L SE 9201514L SE 9201514 A SE9201514 A SE 9201514A SE 9201514 A SE9201514 A SE 9201514A SE 9201514 L SE9201514 L SE 9201514L
- Authority
- SE
- Sweden
- Prior art keywords
- row
- gravelled
- blade
- spreading
- intended
- Prior art date
Links
- 238000007790 scraping Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 239000002344 surface layer Substances 0.000 abstract 1
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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
This invention relates to an apparatus for motor-driven machines, intended for levelling of gravelled roads and comprising a scraping blade which is intended to work the surface layer of the gravelled road so that a gravelled row is created, and a device for spreading the gravelled row, comprising a blade for spreading the gravelled row, which blade is intended to level out gravelled row created by the scraping blade, the scraping blade and the row spreading blade being adjustably arranged so that they can be raised or lowered in relation to the roadway. According to the invention the apparatus is so constructed that row spreading blade (13) is pivotable in the vertical plane, i.e. can pivot about an essentially horizontal axle. At least one sensor means (17) is arranged for detecting the material quantity of the gravelled row, this means in dependence upon the material quantity being intended to influence a first means (18), cooperating with the row spreading blade (13), for raising and lowering the same (13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9002954A SE9002954D0 (en) | 1990-09-17 | 1990-09-17 | DEVICE AT MACHINERY |
PCT/SE1991/000616 WO1992005319A1 (en) | 1990-09-17 | 1991-09-16 | An apparatus for machines |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9201514D0 SE9201514D0 (en) | 1992-05-13 |
SE9201514L true SE9201514L (en) | 1992-05-13 |
Family
ID=20380379
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9002954A SE9002954D0 (en) | 1990-09-17 | 1990-09-17 | DEVICE AT MACHINERY |
SE9201514A SE9201514L (en) | 1990-09-17 | 1992-05-13 | DEVICE AT MACHINERY |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9002954A SE9002954D0 (en) | 1990-09-17 | 1990-09-17 | DEVICE AT MACHINERY |
Country Status (2)
Country | Link |
---|---|
SE (2) | SE9002954D0 (en) |
WO (1) | WO1992005319A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1390066A (en) * | 1971-03-17 | 1975-04-09 | Grad Line | Grader control |
GB1372271A (en) * | 1972-05-15 | 1974-10-30 | Mcgregor Sons Ltd Robert | Control device for an earth leveller |
US4431060A (en) * | 1981-04-15 | 1984-02-14 | Caterpillar Tractor Co. | Earth working machine and blade condition control system therefor |
-
1990
- 1990-09-17 SE SE9002954A patent/SE9002954D0/en unknown
-
1991
- 1991-09-16 WO PCT/SE1991/000616 patent/WO1992005319A1/en active Application Filing
-
1992
- 1992-05-13 SE SE9201514A patent/SE9201514L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9002954D0 (en) | 1990-09-17 |
SE9201514D0 (en) | 1992-05-13 |
WO1992005319A1 (en) | 1992-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9201514-8 Effective date: 19941122 |
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NAV | Patent application has lapsed |
Ref document number: 9201514-8 |