FR2220630B1 - - Google Patents

Info

Publication number
FR2220630B1
FR2220630B1 FR7308621A FR7308621A FR2220630B1 FR 2220630 B1 FR2220630 B1 FR 2220630B1 FR 7308621 A FR7308621 A FR 7308621A FR 7308621 A FR7308621 A FR 7308621A FR 2220630 B1 FR2220630 B1 FR 2220630B1
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
Application number
FR7308621A
Other languages
French (fr)
Other versions
FR2220630A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poclain SA
Original Assignee
Poclain SA
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 by Poclain SA filed Critical Poclain SA
Priority to FR7308621A priority Critical patent/FR2220630B1/fr
Priority to BE2053391A priority patent/BE810335A/en
Priority to US440581A priority patent/US3905500A/en
Priority to GB735674A priority patent/GB1462073A/en
Priority to AR252453A priority patent/AR202706A1/en
Priority to JP2065274A priority patent/JPS578252B2/ja
Priority to ES423718A priority patent/ES423718A1/en
Priority to BR1504/74A priority patent/BR7401504D0/en
Priority to DE2411051A priority patent/DE2411051C2/en
Priority to IT67663/74A priority patent/IT1009251B/en
Publication of FR2220630A1 publication Critical patent/FR2220630A1/fr
Application granted granted Critical
Publication of FR2220630B1 publication Critical patent/FR2220630B1/fr
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)
FR7308621A 1973-03-09 1973-03-09 Expired FR2220630B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7308621A FR2220630B1 (en) 1973-03-09 1973-03-09
BE2053391A BE810335A (en) 1973-03-09 1974-01-30 PUBLIC WORKS ENGINE WITH A SAFETY DEVICE FOR OPERATING ITS WORK EQUIPMENT
US440581A US3905500A (en) 1973-03-09 1974-02-07 Public works machine having a safety device for the manoeuvre of its working equipment
GB735674A GB1462073A (en) 1973-03-09 1974-02-18 Earth-working machines
AR252453A AR202706A1 (en) 1973-03-09 1974-02-20 IMPROVEMENTS IN A PUBLIC WORKS MACHINE
JP2065274A JPS578252B2 (en) 1973-03-09 1974-02-22
ES423718A ES423718A1 (en) 1973-03-09 1974-02-28 Public works machine having a safety device for the manoeuvre of its working equipment
BR1504/74A BR7401504D0 (en) 1973-03-09 1974-03-01 LIFTING EQUIPMENT FOR EARTH WORKING MACHINES
DE2411051A DE2411051C2 (en) 1973-03-09 1974-03-08 Excavators, such as shovel excavators, shovel loaders or the like.
IT67663/74A IT1009251B (en) 1973-03-09 1974-03-08 EARTH MOVING MACHINE WITH SAFETY DEVICE AGAINST FALSE MANEUVERING

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2220630A1 FR2220630A1 (en) 1974-10-04
FR2220630B1 true FR2220630B1 (en) 1975-08-22

Family

ID=9116092

Family Applications (1)

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

Country Status (10)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819825B2 (en) * 1975-08-29 1983-04-20 株式会社クボタ Shovel loader Tenboushisouchi
JPS5541872Y2 (en) * 1977-09-19 1980-10-01
US4354797A (en) * 1979-05-31 1982-10-19 Hitachi Construction Machinery Co., Ltd. Front loading hydraulic excavator
DE3020638C2 (en) * 1979-05-31 1984-03-22 Hitachi Construction Machinery Co. Ltd., Tokyo Backhoe
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 (en) * 1990-01-22 1990-12-20 Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De
DE10000771C2 (en) * 2000-01-11 2003-06-12 Brueninghaus Hydromatik Gmbh Device and method for position control for work equipment of mobile work machines
FR2817574B1 (en) * 2000-12-04 2003-10-10 Faucheux Ind Soc FRONT LOADER FOR CARRIER
DE10221551A1 (en) * 2002-05-14 2003-12-04 Botschafter Knopff Ilse Control device for a work tool with a parallel guide
EP2971375A1 (en) * 2013-03-15 2016-01-20 Clark Equipment Company Lift arm structure with an articulated knee portion for a power machine
ES2748002T3 (en) * 2014-05-08 2020-03-12 Quanta Associates Lp Rotation conductor bracket

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 (en) * 1960-10-11 1962-09-07 Massey Ferguson Inc Backhoe loader
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 (en) * 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
DE2411051C2 (en) 1984-03-01
GB1462073A (en) 1977-01-19
JPS578252B2 (en) 1982-02-16
JPS49120403A (en) 1974-11-18
AR202706A1 (en) 1975-07-15
DE2411051A1 (en) 1974-09-26
BR7401504D0 (en) 1974-12-03
FR2220630A1 (en) 1974-10-04
IT1009251B (en) 1976-12-10
BE810335A (en) 1974-05-16
ES423718A1 (en) 1976-05-01
US3905500A (en) 1975-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse