GB1347293A - Hydraulically actuated shovel excavator - Google Patents

Hydraulically actuated shovel excavator

Info

Publication number
GB1347293A
GB1347293A GB1702771A GB1702771A GB1347293A GB 1347293 A GB1347293 A GB 1347293A GB 1702771 A GB1702771 A GB 1702771A GB 1702771 A GB1702771 A GB 1702771A GB 1347293 A GB1347293 A GB 1347293A
Authority
GB
United Kingdom
Prior art keywords
shovel
arm
linkage
boom
actuators
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
Application number
GB1702771A
Other languages
English (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.)
VYZK USTAV STAVEBNICH A ZEMNIC
Original Assignee
VYZK USTAV STAVEBNICH A ZEMNIC
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 VYZK USTAV STAVEBNICH A ZEMNIC filed Critical VYZK USTAV STAVEBNICH A ZEMNIC
Publication of GB1347293A publication Critical patent/GB1347293A/en
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
    • E02F3/437—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
    • 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
    • E02F9/26—Indicating devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Operation Control Of Excavators (AREA)
GB1702771A 1970-05-28 1971-05-25 Hydraulically actuated shovel excavator Expired GB1347293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS373070A CS173687B1 (enrdf_load_stackoverflow) 1970-05-28 1970-05-28

Publications (1)

Publication Number Publication Date
GB1347293A true GB1347293A (en) 1974-02-27

Family

ID=5378205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1702771A Expired GB1347293A (en) 1970-05-28 1971-05-25 Hydraulically actuated shovel excavator

Country Status (4)

Country Link
CS (1) CS173687B1 (enrdf_load_stackoverflow)
DE (1) DE2125922A1 (enrdf_load_stackoverflow)
FR (1) FR2093802A5 (enrdf_load_stackoverflow)
GB (1) GB1347293A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552437A (en) * 1978-10-06 1980-04-16 Komatsu Ltd Working instrument controller
DE3020638C2 (de) * 1979-05-31 1984-03-22 Hitachi Construction Machinery Co. Ltd., Tokyo Löffelbagger
DE3125787C2 (de) * 1981-06-30 1984-04-26 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Hydraulikbagger

Also Published As

Publication number Publication date
DE2125922A1 (de) 1971-12-02
FR2093802A5 (enrdf_load_stackoverflow) 1972-01-28
CS173687B1 (enrdf_load_stackoverflow) 1977-03-31

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees