JPS4921901A - - Google Patents

Info

Publication number
JPS4921901A
JPS4921901A JP48041217A JP4121773A JPS4921901A JP S4921901 A JPS4921901 A JP S4921901A JP 48041217 A JP48041217 A JP 48041217A JP 4121773 A JP4121773 A JP 4121773A JP S4921901 A JPS4921901 A JP S4921901A
Authority
JP
Japan
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.)
Granted
Application number
JP48041217A
Other languages
Japanese (ja)
Other versions
JPS5736375B2 (cs
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 filed Critical
Publication of JPS4921901A publication Critical patent/JPS4921901A/ja
Publication of JPS5736375B2 publication Critical patent/JPS5736375B2/ja
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)
JP4121773A 1972-05-02 1973-04-11 Expired JPS5736375B2 (cs)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4921901A true JPS4921901A (cs) 1974-02-26
JPS5736375B2 JPS5736375B2 (cs) 1982-08-03

Family

ID=22944373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4121773A Expired JPS5736375B2 (cs) 1972-05-02 1973-04-11

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928360A (cs) * 1972-07-05 1974-03-13

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928360A (cs) * 1972-07-05 1974-03-13

Also Published As

Publication number Publication date
AU5052672A (en) 1974-07-04
DE2322094A1 (de) 1973-11-08
JPS5736375B2 (cs) 1982-08-03
GB1426358A (en) 1976-02-25
CA963354A (en) 1975-02-25
DE2322094B2 (de) 1976-05-26
US3794199A (en) 1974-02-26
AU451239B2 (en) 1974-07-15

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