GB1276537A - Improvements in a mechanical earth working machine - Google Patents

Improvements in a mechanical earth working machine

Info

Publication number
GB1276537A
GB1276537A GB37250/69A GB3725069A GB1276537A GB 1276537 A GB1276537 A GB 1276537A GB 37250/69 A GB37250/69 A GB 37250/69A GB 3725069 A GB3725069 A GB 3725069A GB 1276537 A GB1276537 A GB 1276537A
Authority
GB
United Kingdom
Prior art keywords
rams
parallelograms
tool
parallelogram
working 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
Application number
GB37250/69A
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.)
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
Publication of GB1276537A publication Critical patent/GB1276537A/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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Machine Tool Units (AREA)
GB37250/69A 1968-08-02 1969-07-24 Improvements in a mechanical earth working machine Expired GB1276537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR161627 1968-08-02

Publications (1)

Publication Number Publication Date
GB1276537A true GB1276537A (en) 1972-06-01

Family

ID=8653356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37250/69A Expired GB1276537A (en) 1968-08-02 1969-07-24 Improvements in a mechanical earth working machine

Country Status (5)

Country Link
US (1) US3584751A (enrdf_load_stackoverflow)
DE (1) DE1939311A1 (enrdf_load_stackoverflow)
ES (1) ES370303A1 (enrdf_load_stackoverflow)
FR (1) FR1590140A (enrdf_load_stackoverflow)
GB (1) GB1276537A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271337A (en) * 1992-10-07 1994-04-13 Atomic Energy Authority Uk A hydraulic manipulator.
US5379664A (en) * 1992-10-07 1995-01-10 United Kingdom Atomic Energy Authority Hydraulic manipulator
GB2350830A (en) * 1999-06-09 2000-12-13 Colin Fraser Mckay Parallel arm arrangement for back-hoe type diggers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218837A (en) * 1978-08-21 1980-08-26 Koehring Company High lift hydraulic system for an excavator
US4231700A (en) * 1979-04-09 1980-11-04 Spectra-Physics, Inc. Method and apparatus for laser beam control of backhoe digging depth
JPS6014817Y2 (ja) * 1979-04-18 1985-05-11 株式会社小松製作所 掘削積込機の掘削積込装置
CH643620A5 (de) * 1979-11-28 1984-06-15 Ziegler Ag Vorrichtung zur parallelfuehrung des loeffels eines hydraulikbaggers.
US4355477A (en) * 1980-03-24 1982-10-26 Aktiebolaget P. E. Holmgren Working machine with improved jib section
DE3140568A1 (de) * 1981-10-13 1983-04-21 Cordes, Hugo, Dipl.-Ing., 2000 Hamburg "einrichtung fuer hydraulikbagger"
US4365429A (en) * 1981-11-18 1982-12-28 Bucyrus-Erie Company Maximum lift system for hydraulic hoe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL123413C (enrdf_load_stackoverflow) * 1963-05-02
FR1395675A (fr) * 1964-03-02 1965-04-16 Auxitra Chargeuse à commande simplifiée

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271337A (en) * 1992-10-07 1994-04-13 Atomic Energy Authority Uk A hydraulic manipulator.
US5379664A (en) * 1992-10-07 1995-01-10 United Kingdom Atomic Energy Authority Hydraulic manipulator
GB2271337B (en) * 1992-10-07 1996-08-28 Atomic Energy Authority Uk A hydraulic manipulator
GB2350830A (en) * 1999-06-09 2000-12-13 Colin Fraser Mckay Parallel arm arrangement for back-hoe type diggers

Also Published As

Publication number Publication date
ES370303A1 (es) 1971-04-16
US3584751A (en) 1971-06-15
FR1590140A (enrdf_load_stackoverflow) 1970-04-13
DE1939311A1 (de) 1970-02-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees