FR2197092B1 - - Google Patents
Info
- Publication number
- FR2197092B1 FR2197092B1 FR7330586A FR7330586A FR2197092B1 FR 2197092 B1 FR2197092 B1 FR 2197092B1 FR 7330586 A FR7330586 A FR 7330586A FR 7330586 A FR7330586 A FR 7330586A FR 2197092 B1 FR2197092 B1 FR 2197092B1
- Authority
- FR
- France
- 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
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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/436—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like for keeping the dipper in the horizontal position, e.g. self-levelling
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/308—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US283621A US3862697A (en) | 1972-08-24 | 1972-08-24 | Front loading hydraulic excavator |
US52220474A | 1974-11-08 | 1974-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2197092A1 FR2197092A1 (en) | 1974-03-22 |
FR2197092B1 true FR2197092B1 (en) | 1980-07-25 |
Family
ID=26962155
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7330586A Expired FR2197092B1 (en) | 1972-08-24 | 1973-08-23 | |
FR7533231A Granted FR2290540A2 (en) | 1972-08-24 | 1975-10-30 | MECHANICAL SHOVEL WITH HYDRAULIC CONTROLS |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7533231A Granted FR2290540A2 (en) | 1972-08-24 | 1975-10-30 | MECHANICAL SHOVEL WITH HYDRAULIC CONTROLS |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR2197092B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6014817Y2 (en) * | 1979-04-18 | 1985-05-11 | 株式会社小松製作所 | excavation loader excavation loading equipment |
FR2472633A1 (en) * | 1979-05-31 | 1981-07-03 | Hitachi Construction Machinery | Compact excavator scoop movement control - involves two leads feeding different control pressures to valve unit holes |
FR2483486A1 (en) * | 1980-05-28 | 1981-12-04 | Poclain Sa | Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor |
-
1973
- 1973-08-23 FR FR7330586A patent/FR2197092B1/fr not_active Expired
-
1975
- 1975-10-30 FR FR7533231A patent/FR2290540A2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2290540B2 (en) | 1982-06-25 |
FR2197092A1 (en) | 1974-03-22 |
FR2290540A2 (en) | 1976-06-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |