AU451239B2 - Hydraulic self leveling device fora loader bucket - Google Patents

Hydraulic self leveling device fora loader bucket

Info

Publication number
AU451239B2
AU451239B2 AU50526/72A AU5052672A AU451239B2 AU 451239 B2 AU451239 B2 AU 451239B2 AU 50526/72 A AU50526/72 A AU 50526/72A AU 5052672 A AU5052672 A AU 5052672A AU 451239 B2 AU451239 B2 AU 451239B2
Authority
AU
Australia
Prior art keywords
leveling device
loader bucket
hydraulic self
self leveling
device fora
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
AU50526/72A
Other versions
AU5052672A (en
Inventor
ROBERT JOHN OLIVER RUDOLPH ENGHUIYEH and GALE AILWIN HOLLOWAY RICHARD JOHN BROMBEREK
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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Publication of AU5052672A publication Critical patent/AU5052672A/en
Application granted granted Critical
Publication of AU451239B2 publication Critical patent/AU451239B2/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
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
AU50526/72A 1972-05-02 1972-12-28 Hydraulic self leveling device fora loader bucket Expired AU451239B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24964172A 1972-05-02 1972-05-02
USUS249641 1972-05-02

Publications (2)

Publication Number Publication Date
AU5052672A AU5052672A (en) 1974-07-04
AU451239B2 true AU451239B2 (en) 1974-07-15

Family

ID=22944373

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50526/72A Expired AU451239B2 (en) 1972-05-02 1972-12-28 Hydraulic self leveling device fora loader bucket

Country Status (5)

Country Link
US (1) US3794199A (en)
JP (1) JPS5736375B2 (en)
AU (1) AU451239B2 (en)
CA (1) CA963354A (en)
GB (1) GB1426358A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928360A (en) * 1972-07-05 1974-03-13
US4372729A (en) * 1980-07-21 1983-02-08 Veda, Inc. Tilt control
US4844685A (en) * 1986-09-03 1989-07-04 Clark Equipment Company Electronic bucket positioning and control system
US5501570A (en) * 1994-01-21 1996-03-26 Case Corporation Anti-rollback mechanism for a loader mechanism of an off-highway implement
CN102619241B (en) * 2012-01-12 2014-06-25 广西大学 Space-controllable mechanism type loader
CN103046590A (en) * 2013-01-30 2013-04-17 江苏柳工机械有限公司 Control method of hydraulic working system of loading machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521781A (en) * 1968-09-26 1970-07-28 Case Co J I Anti-rollback mechanism
US3568869A (en) * 1969-01-09 1971-03-09 Case Co J I Antirollback mechanism
US3695474A (en) * 1970-08-05 1972-10-03 Case Co J I Hydraulic control linkage for implement

Also Published As

Publication number Publication date
CA963354A (en) 1975-02-25
JPS4921901A (en) 1974-02-26
US3794199A (en) 1974-02-26
DE2322094B2 (en) 1976-05-26
JPS5736375B2 (en) 1982-08-03
GB1426358A (en) 1976-02-25
DE2322094A1 (en) 1973-11-08
AU5052672A (en) 1974-07-04

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