BE759308A - Circuit hydraulique d'actionnement d'engin a deux instruments de travail, notamment de terrassement - Google Patents

Circuit hydraulique d'actionnement d'engin a deux instruments de travail, notamment de terrassement

Info

Publication number
BE759308A
BE759308A BE759308DA BE759308A BE 759308 A BE759308 A BE 759308A BE 759308D A BE759308D A BE 759308DA BE 759308 A BE759308 A BE 759308A
Authority
BE
Belgium
Prior art keywords
earthworking
actuation
hydraulic circuit
work instruments
instruments
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
W A Peterson
E A Wirtz
Original Assignee
Caterpillar Tractor Co
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.)
Publication date
Publication of BE759308A publication Critical patent/BE759308A/xx

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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0841—Articulated frame, i.e. having at least one pivot point between two travelling gear units
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
BE759308D 1970-01-26 Circuit hydraulique d'actionnement d'engin a deux instruments de travail, notamment de terrassement BE759308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US557770A 1970-01-26 1970-01-26

Publications (1)

Publication Number Publication Date
BE759308A true BE759308A (fr) 1971-05-24

Family

ID=21716574

Family Applications (1)

Application Number Title Priority Date Filing Date
BE759308D BE759308A (fr) 1970-01-26 Circuit hydraulique d'actionnement d'engin a deux instruments de travail, notamment de terrassement

Country Status (7)

Country Link
US (1) US3606051A (xx)
AU (1) AU2170270A (xx)
BE (1) BE759308A (xx)
DE (1) DE2054088A1 (xx)
FR (1) FR2074938A5 (xx)
GB (1) GB1302437A (xx)
ZA (1) ZA707223B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106444C3 (de) * 1971-02-11 1985-04-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulischer Antrieb für eine Bergbau-Gewinnungsmaschine sowie dieser Gewinnungsmaschine zugeordnete hydraulisch betriebene Verbraucher
US3814272A (en) * 1971-06-14 1974-06-04 R Spratt Balanced fork lift truck
JPS49146395U (xx) * 1973-04-16 1974-12-17
US4346763A (en) * 1980-11-28 1982-08-31 International Harvester Co. Agricultural implement sectional frame with depth limit
US6234270B1 (en) 1999-01-21 2001-05-22 Caterpillar Inc. Vehicle having hydraulic and power steering systems using a single high pressure pump
EP2276893B1 (en) * 2008-04-14 2012-04-04 Volvo Construction Equipment AB Backhoe-loader with a split hydraulic holding unit.
US7581341B1 (en) * 2008-05-23 2009-09-01 Reeves Jr James B Wheel loader
US10030676B2 (en) * 2014-04-23 2018-07-24 Hyster—Yale Group, Inc. Hydraulic fluid supply apparatus and methods

Also Published As

Publication number Publication date
DE2054088A1 (de) 1971-08-05
AU2170270A (en) 1972-05-04
US3606051A (en) 1971-09-20
GB1302437A (xx) 1973-01-10
ZA707223B (en) 1971-12-29
FR2074938A5 (xx) 1971-10-08

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