CA963354A - Hydraulic self-leveling device for a loader bucket - Google Patents

Hydraulic self-leveling device for a loader bucket

Info

Publication number
CA963354A
CA963354A CA156,372A CA156372A CA963354A CA 963354 A CA963354 A CA 963354A CA 156372 A CA156372 A CA 156372A CA 963354 A CA963354 A CA 963354A
Authority
CA
Canada
Prior art keywords
leveling device
loader bucket
hydraulic self
hydraulic
self
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
CA156,372A
Other languages
English (en)
Other versions
CA156372S (en
Inventor
Richard J. Bromberek
Rudolph E. Yeh
Gale A. Holloway
Robert J. Oliver
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
Application granted granted Critical
Publication of CA963354A publication Critical patent/CA963354A/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)
CA156,372A 1972-05-02 1972-11-14 Hydraulic self-leveling device for a loader bucket Expired CA963354A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA963354A true CA963354A (en) 1975-02-25

Family

ID=22944373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,372A Expired CA963354A (en) 1972-05-02 1972-11-14 Hydraulic self-leveling device for a loader bucket

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928360A (enrdf_load_stackoverflow) * 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 (zh) * 2012-01-12 2014-06-25 广西大学 一种空间可控机构式装载机
CN103046590A (zh) * 2013-01-30 2013-04-17 江苏柳工机械有限公司 一种装载机工作液压系统的控制方法

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
AU5052672A (en) 1974-07-04
US3794199A (en) 1974-02-26
JPS4921901A (enrdf_load_stackoverflow) 1974-02-26
JPS5736375B2 (enrdf_load_stackoverflow) 1982-08-03
AU451239B2 (en) 1974-07-15
DE2322094A1 (de) 1973-11-08
DE2322094B2 (de) 1976-05-26
GB1426358A (en) 1976-02-25

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