JPS578252B2 - - Google Patents

Info

Publication number
JPS578252B2
JPS578252B2 JP2065274A JP2065274A JPS578252B2 JP S578252 B2 JPS578252 B2 JP S578252B2 JP 2065274 A JP2065274 A JP 2065274A JP 2065274 A JP2065274 A JP 2065274A JP S578252 B2 JPS578252 B2 JP S578252B2
Authority
JP
Japan
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
Application number
JP2065274A
Other languages
Japanese (ja)
Other versions
JPS49120403A (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS49120403A publication Critical patent/JPS49120403A/ja
Publication of JPS578252B2 publication Critical patent/JPS578252B2/ja
Expired 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
    • E02F3/28—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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Forklifts And Lifting Vehicles (AREA)
JP2065274A 1973-03-09 1974-02-22 Expired JPS578252B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7308621A FR2220630B1 (enrdf_load_stackoverflow) 1973-03-09 1973-03-09

Publications (2)

Publication Number Publication Date
JPS49120403A JPS49120403A (enrdf_load_stackoverflow) 1974-11-18
JPS578252B2 true JPS578252B2 (enrdf_load_stackoverflow) 1982-02-16

Family

ID=9116092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2065274A Expired JPS578252B2 (enrdf_load_stackoverflow) 1973-03-09 1974-02-22

Country Status (10)

Country Link
US (1) US3905500A (enrdf_load_stackoverflow)
JP (1) JPS578252B2 (enrdf_load_stackoverflow)
AR (1) AR202706A1 (enrdf_load_stackoverflow)
BE (1) BE810335A (enrdf_load_stackoverflow)
BR (1) BR7401504D0 (enrdf_load_stackoverflow)
DE (1) DE2411051C2 (enrdf_load_stackoverflow)
ES (1) ES423718A1 (enrdf_load_stackoverflow)
FR (1) FR2220630B1 (enrdf_load_stackoverflow)
GB (1) GB1462073A (enrdf_load_stackoverflow)
IT (1) IT1009251B (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1977-09-19 1980-10-01
US4354797A (en) * 1979-05-31 1982-10-19 Hitachi Construction Machinery Co., Ltd. Front loading hydraulic excavator
FR2472633A1 (fr) * 1979-05-31 1981-07-03 Hitachi Construction Machinery Excavateur a commande hydraulique monte sur un organe de deplacement
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 (enrdf_load_stackoverflow) * 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
US20140271078A1 (en) * 2013-03-15 2014-09-18 Rodney Koch Lift arm structure with an articulated knee portion
EP3573200A1 (en) * 2014-05-08 2019-11-27 Quanta Associates, L.P. Rotating conductor holder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 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

Also Published As

Publication number Publication date
FR2220630B1 (enrdf_load_stackoverflow) 1975-08-22
AR202706A1 (es) 1975-07-15
JPS49120403A (enrdf_load_stackoverflow) 1974-11-18
IT1009251B (it) 1976-12-10
BE810335A (fr) 1974-05-16
GB1462073A (en) 1977-01-19
ES423718A1 (es) 1976-05-01
BR7401504D0 (pt) 1974-12-03
DE2411051A1 (de) 1974-09-26
US3905500A (en) 1975-09-16
FR2220630A1 (enrdf_load_stackoverflow) 1974-10-04
DE2411051C2 (de) 1984-03-01

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