CA1030109A - Overcenter backhoe - Google Patents

Overcenter backhoe

Info

Publication number
CA1030109A
CA1030109A CA240,254A CA240254A CA1030109A CA 1030109 A CA1030109 A CA 1030109A CA 240254 A CA240254 A CA 240254A CA 1030109 A CA1030109 A CA 1030109A
Authority
CA
Canada
Prior art keywords
overcenter
backhoe
overcenter backhoe
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
CA240,254A
Other languages
English (en)
French (fr)
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
Application filed by JI Case Co filed Critical JI Case Co
Application granted granted Critical
Publication of CA1030109A publication Critical patent/CA1030109A/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
    • E02F3/36—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
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
    • 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
CA240,254A 1975-05-12 1975-11-24 Overcenter backhoe Expired CA1030109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57662575A 1975-05-12 1975-05-12

Publications (1)

Publication Number Publication Date
CA1030109A true CA1030109A (en) 1978-04-25

Family

ID=24305241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,254A Expired CA1030109A (en) 1975-05-12 1975-11-24 Overcenter backhoe

Country Status (8)

Country Link
US (1) US4074821A (de)
JP (1) JPS51135102A (de)
BR (1) BR7602028A (de)
CA (1) CA1030109A (de)
DE (1) DE2621174C3 (de)
FR (1) FR2311143A1 (de)
GB (1) GB1483870A (de)
ZA (1) ZA76907B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1051831A (en) * 1976-10-07 1979-04-03 J.I. Case Company Overcenter backhoe
JPS54119202U (de) * 1978-02-09 1979-08-21
US4185427A (en) * 1978-06-01 1980-01-29 Reach-All Manufacturing & Engineering Co. Double cylinder over-center aerial device
US4272222A (en) * 1979-01-11 1981-06-09 The General, Inc. Boom apparatus
US4273502A (en) * 1979-03-16 1981-06-16 J. I. Case Company Boom lock means
US4268214A (en) * 1979-03-26 1981-05-19 Bucyrus-Erie Company Excavator front end
US4256433A (en) * 1979-04-09 1981-03-17 J. I. Case Company Hydraulic circuit for earthworking implement
US4358240A (en) * 1980-12-19 1982-11-09 J. I. Case Company Asymmetric backhoe
US4720234A (en) * 1986-07-21 1988-01-19 Stralow Cecil J Backhoe
US4944649A (en) * 1986-07-21 1990-07-31 Stralow Cecil J Mechanism for coupling subordinate machine to tractor
US4808061A (en) * 1987-09-24 1989-02-28 Cook David K Single arm backhoe
US4767255A (en) * 1987-09-28 1988-08-30 J.I. Case Company Backhoe boom cylinder bleed circuit
US5176491A (en) * 1991-06-18 1993-01-05 Case Corporation Overcenter backhoe apparatus
AU716482B2 (en) * 1995-08-30 2000-02-24 William Michael Doherty Back-hoe and tipper
US5748097A (en) * 1997-02-28 1998-05-05 Case Corporation Method and apparatus for storing the boom of a work vehicle
KR100606506B1 (ko) * 2004-05-21 2006-08-02 주일환 굴삭 및 로딩 기능을 갖는 건설장비
WO2018175858A1 (en) 2017-03-23 2018-09-27 Clark Equipment Company Power machine with a boom, a boom actuator, an implement and a stop for preventing contact between the boom actuator and the implement
GB2611078B (en) * 2021-09-27 2024-03-20 Caterpillar Inc Boom assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB313883A (en) * 1928-06-18 1929-12-19 Karl Dingertz Luffing davit
US2678741A (en) * 1950-09-20 1954-05-18 John S Pilch Earth moving apparatus
US3084817A (en) * 1957-09-24 1963-04-09 Ford Motor Co Oscillatory digger
US3057494A (en) * 1959-01-30 1962-10-09 Wain Roy Corp Excavating apparatus
BE631341A (de) * 1962-04-28
GB785585A (en) * 1963-04-08 1957-10-30 Newbridge Plant Services Ltd Improvements in soil excavating apparatus
US3376984A (en) * 1966-11-16 1968-04-09 Case Co J I Backhoe
GB1200133A (en) * 1968-04-17 1970-07-29 Priestman Brothers Mobile hydraulic shovel
DE2013849A1 (de) * 1970-03-23 1971-10-21 Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg Anbaubagger
US3811582A (en) * 1972-02-04 1974-05-21 Case Co J I Backhoe boom lock

Also Published As

Publication number Publication date
DE2621174A1 (de) 1976-11-25
FR2311143B1 (de) 1982-11-05
JPS51135102A (en) 1976-11-24
GB1483870A (en) 1977-08-24
FR2311143A1 (fr) 1976-12-10
US4074821A (en) 1978-02-21
ZA76907B (en) 1977-01-26
DE2621174C3 (de) 1980-07-10
DE2621174B2 (de) 1979-10-31
AU8689075A (en) 1977-06-02
BR7602028A (pt) 1976-11-16

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