CA1051831A - Pelle retrocaveuse a equipement retractile - Google Patents

Pelle retrocaveuse a equipement retractile

Info

Publication number
CA1051831A
CA1051831A CA270,609A CA270609A CA1051831A CA 1051831 A CA1051831 A CA 1051831A CA 270609 A CA270609 A CA 270609A CA 1051831 A CA1051831 A CA 1051831A
Authority
CA
Canada
Prior art keywords
boom
backhoe
sections
boom sections
hollow
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
CA270,609A
Other languages
English (en)
Inventor
Elton B. Long
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.)
Case LLC
Original Assignee
JI Case 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.)
Filing date
Publication date
Priority claimed from US05/730,598 external-priority patent/US4074821A/en
Application filed by JI Case Co filed Critical JI Case Co
Application granted granted Critical
Publication of CA1051831A publication Critical patent/CA1051831A/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
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • 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
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Operation Control Of Excavators (AREA)
CA270,609A 1976-10-07 1977-01-28 Pelle retrocaveuse a equipement retractile Expired CA1051831A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/730,598 US4074821A (en) 1975-05-12 1976-10-07 Overcenter backhoe

Publications (1)

Publication Number Publication Date
CA1051831A true CA1051831A (fr) 1979-04-03

Family

ID=24935988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270,609A Expired CA1051831A (fr) 1976-10-07 1977-01-28 Pelle retrocaveuse a equipement retractile

Country Status (7)

Country Link
JP (1) JPS5836133B2 (fr)
AU (1) AU503009B2 (fr)
BR (1) BR7706336A (fr)
CA (1) CA1051831A (fr)
DE (1) DE2729942A1 (fr)
GB (1) GB1573681A (fr)
ZA (1) ZA775238B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863254U (ja) * 1981-10-21 1983-04-28 セイレイ工業株式会社 バツクホ−の主ブ−ムにおけるロツドブラケツトの取り付け構造
JPS5863255U (ja) * 1981-10-21 1983-04-28 セイレイ工業株式会社 バツクホ−における主ブ−ム構造
WO2017176897A1 (fr) 2016-04-06 2017-10-12 Oshkosh Corporation Ensemble d'actionneur double

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1030109A (fr) * 1975-05-12 1978-04-25 Elton B. Long Retrocaveuse sur mediane

Also Published As

Publication number Publication date
GB1573681A (en) 1980-08-28
BR7706336A (pt) 1978-06-27
AU503009B2 (en) 1979-08-16
JPS5836133B2 (ja) 1983-08-06
ZA775238B (en) 1978-07-26
AU2542177A (en) 1978-11-30
DE2729942A1 (de) 1978-04-13
JPS5346101A (en) 1978-04-25

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