CA1004186A - Releasable lock means for boom - Google Patents

Releasable lock means for boom

Info

Publication number
CA1004186A
CA1004186A CA215,662A CA215662A CA1004186A CA 1004186 A CA1004186 A CA 1004186A CA 215662 A CA215662 A CA 215662A CA 1004186 A CA1004186 A CA 1004186A
Authority
CA
Canada
Prior art keywords
boom
lock means
releasable lock
releasable
lock
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
CA215,662A
Other versions
CA215662S (en
Inventor
Donald C. Baker
Lloyd A. Brewer
Herman J. Maurer
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 CA1004186A publication Critical patent/CA1004186A/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
    • E02F3/38—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
    • E02F3/388—Mechanical locking means for booms or arms against rotation, e.g. during transport of the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
CA215,662A 1974-05-28 1974-12-09 Releasable lock means for boom Expired CA1004186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US473703A US3921835A (en) 1974-05-28 1974-05-28 Releasable lock means for boom

Publications (1)

Publication Number Publication Date
CA1004186A true CA1004186A (en) 1977-01-25

Family

ID=23880645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,662A Expired CA1004186A (en) 1974-05-28 1974-12-09 Releasable lock means for boom

Country Status (2)

Country Link
US (1) US3921835A (en)
CA (1) CA1004186A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810769Y2 (en) * 1977-12-17 1983-02-28 株式会社クボタ Work vehicle arm lowering prevention structure
US4184803A (en) * 1978-03-08 1980-01-22 J. I. Case Company Releasable backhoe boom lock
US4225282A (en) * 1978-06-26 1980-09-30 Ford Motor Company Backhoe boom transport locking means
US4227852A (en) * 1979-01-23 1980-10-14 J. I. Case Company Releasable backhoe boom lock
US4273502A (en) * 1979-03-16 1981-06-16 J. I. Case Company Boom lock means
US4304520A (en) * 1979-05-29 1981-12-08 J. I. Case Company Compound boom latch
US4278394A (en) * 1979-06-04 1981-07-14 J. I. Case Company Releasable boom lock
US4260321A (en) * 1979-09-04 1981-04-07 Deere & Company Lock mechanism for securing a backhoe boom and swing frame for transport
US4370090A (en) * 1980-07-07 1983-01-25 J. I. Case Company Boom lock
US4636132A (en) * 1983-06-06 1987-01-13 Caterpillar Inc. Vehicle boom lock
US4887938A (en) * 1988-08-01 1989-12-19 Caterpillar Inc. Controllable locking apparatus for implement carrying work vehicle
US5570991A (en) * 1995-03-09 1996-11-05 Clark Equipment Company Swing lock for a backhoe
JP4247211B2 (en) * 2005-07-05 2009-04-02 ヤンマー株式会社 Locking mechanism of excavator in tractor, loader and backhoe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780374A (en) * 1954-01-27 1957-02-05 Eric M Mcelhinney Loader machine
US2993608A (en) * 1957-03-14 1961-07-25 Avco Mfg Corp Loader
US3811582A (en) * 1972-02-04 1974-05-21 Case Co J I Backhoe boom lock

Also Published As

Publication number Publication date
US3921835A (en) 1975-11-25

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