FR2270380A1 - Self-levelling levelling machine - has rotating laser beam sweeping to detectors controlling blade levelling jacks - Google Patents
Self-levelling levelling machine - has rotating laser beam sweeping to detectors controlling blade levelling jacksInfo
- Publication number
- FR2270380A1 FR2270380A1 FR7416076A FR7416076A FR2270380A1 FR 2270380 A1 FR2270380 A1 FR 2270380A1 FR 7416076 A FR7416076 A FR 7416076A FR 7416076 A FR7416076 A FR 7416076A FR 2270380 A1 FR2270380 A1 FR 2270380A1
- Authority
- FR
- France
- Prior art keywords
- levelling
- laser beam
- jacks
- detectors
- machine
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/004—Devices for guiding or controlling the machines along a predetermined path
- E01C19/006—Devices for guiding or controlling the machines along a predetermined path by laser or ultrasound
-
- 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
- E02F3/847—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Operation Control Of Excavators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416076A FR2270380A1 (en) | 1974-05-09 | 1974-05-09 | Self-levelling levelling machine - has rotating laser beam sweeping to detectors controlling blade levelling jacks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416076A FR2270380A1 (en) | 1974-05-09 | 1974-05-09 | Self-levelling levelling machine - has rotating laser beam sweeping to detectors controlling blade levelling jacks |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2270380A1 true FR2270380A1 (en) | 1975-12-05 |
FR2270380B3 FR2270380B3 (fr) | 1977-03-11 |
Family
ID=9138635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7416076A Granted FR2270380A1 (en) | 1974-05-09 | 1974-05-09 | Self-levelling levelling machine - has rotating laser beam sweeping to detectors controlling blade levelling jacks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2270380A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2488098A1 (fr) * | 1980-08-06 | 1982-02-12 | Grp Champenois Expl Vitic | Dispositif d'alignement pour materiel agricole |
FR2635544A1 (fr) * | 1988-08-18 | 1990-02-23 | Chaize Alain | Procedes et engin pour ouvrer une surface de sol, notamment pour revetir une chaussee |
FR2635543A1 (fr) * | 1988-08-18 | 1990-02-23 | Chaize Alain | Procede et engins pour ouvrer une surface de sol, notamment pour revetir une chaussee |
WO1992002334A1 (fr) * | 1990-08-01 | 1992-02-20 | Concrete Grinding Ltd. | Vehicule mobile de meulage de surface |
EP0620318A1 (fr) * | 1993-04-09 | 1994-10-19 | Niigata Engineering Co., Ltd. | Dispositif de commande automatique de direction pour un finisseur |
US5643047A (en) * | 1990-08-01 | 1997-07-01 | Concrete Grinding Ltd. | Mobile floor grinding vehicle |
-
1974
- 1974-05-09 FR FR7416076A patent/FR2270380A1/fr active Granted
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2488098A1 (fr) * | 1980-08-06 | 1982-02-12 | Grp Champenois Expl Vitic | Dispositif d'alignement pour materiel agricole |
FR2635544A1 (fr) * | 1988-08-18 | 1990-02-23 | Chaize Alain | Procedes et engin pour ouvrer une surface de sol, notamment pour revetir une chaussee |
FR2635543A1 (fr) * | 1988-08-18 | 1990-02-23 | Chaize Alain | Procede et engins pour ouvrer une surface de sol, notamment pour revetir une chaussee |
EP0356311A1 (fr) * | 1988-08-18 | 1990-02-28 | Alain Chaize | Procédé et engin pour ouvrer une surface de sol, notamment pour revêtir une chaussée |
US5009544A (en) * | 1988-08-18 | 1991-04-23 | Alain Chaize | Method and machine for working an area of ground, in particular for surfacing a road |
WO1992002334A1 (fr) * | 1990-08-01 | 1992-02-20 | Concrete Grinding Ltd. | Vehicule mobile de meulage de surface |
GB2263426A (en) * | 1990-08-01 | 1993-07-28 | Concrete Grinding Ltd | A mobile floor grinding vehicle |
GB2263426B (en) * | 1990-08-01 | 1994-06-08 | Concrete Grinding Ltd | A mobile floor grinding vehicle |
AU662488B2 (en) * | 1990-08-01 | 1995-09-07 | Concrete Grinding Ltd | A mobile floor grinding vehicle |
US5643047A (en) * | 1990-08-01 | 1997-07-01 | Concrete Grinding Ltd. | Mobile floor grinding vehicle |
EP0620318A1 (fr) * | 1993-04-09 | 1994-10-19 | Niigata Engineering Co., Ltd. | Dispositif de commande automatique de direction pour un finisseur |
US5546123A (en) * | 1993-04-09 | 1996-08-13 | Niigata Engineering Co. Ltd. | Automatic steering device for asphalt finisher |
Also Published As
Publication number | Publication date |
---|---|
FR2270380B3 (fr) | 1977-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |