ES423718A1 - Perfeccionamientos en maquinas de obras publicas. - Google Patents
Perfeccionamientos en maquinas de obras publicas.Info
- Publication number
- ES423718A1 ES423718A1 ES423718A ES423718A ES423718A1 ES 423718 A1 ES423718 A1 ES 423718A1 ES 423718 A ES423718 A ES 423718A ES 423718 A ES423718 A ES 423718A ES 423718 A1 ES423718 A1 ES 423718A1
- Authority
- ES
- Spain
- Prior art keywords
- manoeuvre
- safety device
- working equipment
- public works
- works 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.)
- 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
- E02F3/36—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
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7308621A FR2220630B1 (es) | 1973-03-09 | 1973-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES423718A1 true ES423718A1 (es) | 1976-05-01 |
Family
ID=9116092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES423718A Expired ES423718A1 (es) | 1973-03-09 | 1974-02-28 | Perfeccionamientos en maquinas de obras publicas. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3905500A (es) |
JP (1) | JPS578252B2 (es) |
AR (1) | AR202706A1 (es) |
BE (1) | BE810335A (es) |
BR (1) | BR7401504D0 (es) |
DE (1) | DE2411051C2 (es) |
ES (1) | ES423718A1 (es) |
FR (1) | FR2220630B1 (es) |
GB (1) | GB1462073A (es) |
IT (1) | IT1009251B (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5819825B2 (ja) * | 1975-08-29 | 1983-04-20 | 株式会社クボタ | シヨベルロ−ダテントウボウシソウチ |
JPS5541872Y2 (es) * | 1977-09-19 | 1980-10-01 | ||
FR2472633A1 (fr) * | 1979-05-31 | 1981-07-03 | Hitachi Construction Machinery | Excavateur a commande hydraulique monte sur un organe de deplacement |
US4354797A (en) * | 1979-05-31 | 1982-10-19 | Hitachi Construction Machinery Co., Ltd. | Front loading hydraulic excavator |
US4459079A (en) * | 1979-07-23 | 1984-07-10 | Sperry Corporation | Unloading auger control system |
US4355477A (en) * | 1980-03-24 | 1982-10-26 | Aktiebolaget P. E. Holmgren | Working machine with improved jib section |
US4353289A (en) * | 1980-05-29 | 1982-10-12 | Sperry Corporation | Power transmission |
DE4001681C1 (es) * | 1990-01-22 | 1990-12-20 | Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De | |
DE10000771C2 (de) * | 2000-01-11 | 2003-06-12 | Brueninghaus Hydromatik Gmbh | Vorrichtung und Verfahren zur Lageregelung für Arbeitseinrichtungen mobiler Arbeitsmaschinen |
FR2817574B1 (fr) * | 2000-12-04 | 2003-10-10 | Faucheux Ind Soc | Dispositif chargeur frontal pour engin porteur |
DE10221551A1 (de) * | 2002-05-14 | 2003-12-04 | Botschafter Knopff Ilse | Steuereinrichtung für ein Arbeitswerkzeug mit einer Parallelführung |
CN104471151A (zh) * | 2013-03-15 | 2015-03-25 | 克拉克设备公司 | 用于动力机械的具有铰接膝部的提升臂结构 |
US10177545B2 (en) * | 2014-05-08 | 2019-01-08 | Quanta Associates, L.P. | Rotating conductor holder |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3035710A (en) * | 1958-06-11 | 1962-05-22 | Hydrostahlbau Ges Wiese & Co | Hydraulic whip drive for the overhang beam of a crane |
FR1303355A (fr) * | 1960-10-11 | 1962-09-07 | Massey Ferguson Inc | Pelleteuse-chargeuse |
US3155252A (en) * | 1963-06-07 | 1964-11-03 | Caterpillar Tractor Co | Adjustable valve control mechanism for tractor mounted loaders |
US3400634A (en) * | 1966-10-21 | 1968-09-10 | Caterpillar Tractor Co | Vent means for hydraulic circuit |
US3429471A (en) * | 1967-09-08 | 1969-02-25 | Caterpillar Tractor Co | Bucket positioning kick-out controls for bucket loaders |
US3522897A (en) * | 1968-05-28 | 1970-08-04 | Caterpillar Tractor Co | Kickout control for bucket loaders |
FR1588568A (es) * | 1968-09-16 | 1970-04-17 | ||
US3568869A (en) * | 1969-01-09 | 1971-03-09 | Case Co J I | Antirollback mechanism |
US3642159A (en) * | 1970-08-19 | 1972-02-15 | Massey Ferguson Inc | Earthworking vehicle |
US3670628A (en) * | 1970-09-02 | 1972-06-20 | Caterpillar Tractor Co | Kickout valve and circuit |
-
1973
- 1973-03-09 FR FR7308621A patent/FR2220630B1/fr not_active Expired
-
1974
- 1974-01-30 BE BE2053391A patent/BE810335A/xx not_active IP Right Cessation
- 1974-02-07 US US440581A patent/US3905500A/en not_active Expired - Lifetime
- 1974-02-18 GB GB735674A patent/GB1462073A/en not_active Expired
- 1974-02-20 AR AR252453A patent/AR202706A1/es active
- 1974-02-22 JP JP2065274A patent/JPS578252B2/ja not_active Expired
- 1974-02-28 ES ES423718A patent/ES423718A1/es not_active Expired
- 1974-03-01 BR BR1504/74A patent/BR7401504D0/pt unknown
- 1974-03-08 IT IT67663/74A patent/IT1009251B/it active
- 1974-03-08 DE DE2411051A patent/DE2411051C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2220630B1 (es) | 1975-08-22 |
US3905500A (en) | 1975-09-16 |
BE810335A (fr) | 1974-05-16 |
JPS578252B2 (es) | 1982-02-16 |
DE2411051C2 (de) | 1984-03-01 |
GB1462073A (en) | 1977-01-19 |
DE2411051A1 (de) | 1974-09-26 |
FR2220630A1 (es) | 1974-10-04 |
AR202706A1 (es) | 1975-07-15 |
BR7401504D0 (pt) | 1974-12-03 |
JPS49120403A (es) | 1974-11-18 |
IT1009251B (it) | 1976-12-10 |
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