CA1016121A - Hydraulic linkages - Google Patents

Hydraulic linkages

Info

Publication number
CA1016121A
CA1016121A CA214,844A CA214844A CA1016121A CA 1016121 A CA1016121 A CA 1016121A CA 214844 A CA214844 A CA 214844A CA 1016121 A CA1016121 A CA 1016121A
Authority
CA
Canada
Prior art keywords
hydraulic linkages
linkages
hydraulic
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
CA214,844A
Other languages
English (en)
Other versions
CA214844S (en
Inventor
John A.D. Hayward
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1016121A publication Critical patent/CA1016121A/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
    • E02F3/34—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • 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)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
CA214,844A 1973-11-28 1974-11-28 Hydraulic linkages Expired CA1016121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5529273A GB1465702A (en) 1973-11-28 1973-11-28 Hydraulic linkages

Publications (1)

Publication Number Publication Date
CA1016121A true CA1016121A (en) 1977-08-23

Family

ID=10473487

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214,844A Expired CA1016121A (en) 1973-11-28 1974-11-28 Hydraulic linkages

Country Status (13)

Country Link
US (1) US3952896A (it)
BE (1) BE822675A (it)
CA (1) CA1016121A (it)
DE (1) DE2456306A1 (it)
DK (1) DK615774A (it)
ES (1) ES432732A1 (it)
FR (1) FR2252281B1 (it)
GB (1) GB1465702A (it)
IT (1) IT1024923B (it)
NL (1) NL7415551A (it)
NO (1) NO141098C (it)
SE (1) SE423417B (it)
ZA (1) ZA747590B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280783A (en) * 1979-04-10 1981-07-28 Hayward John A D Lost motion linkage assembly for a front loader
FR2453824A1 (fr) * 1979-04-12 1980-11-07 Hayward John Dispositif hydraulique de relevage
FR2467818A1 (fr) * 1979-10-22 1981-04-30 Meca Etu Atel Const Perfectionnements aux chariots elevateurs
DE3276124D1 (en) * 1981-08-18 1987-05-27 Hitachi Construction Machinery Hydraulic circuit of hydraulic power shovel
GB2249011B (en) * 1990-10-27 1994-02-16 Bomford Turner Ltd Improvements in mowers.
US5192179A (en) * 1991-05-24 1993-03-09 Geza Kovacs Lift arm and tilt linkage systems for load elevating vehicles
US7059422B2 (en) * 2004-04-26 2006-06-13 Bobby Gene Burgin Self-orienting loader bucket mechanism
US8534981B1 (en) 2010-08-24 2013-09-17 Berry K. Bortz Truck bed bale loader auxiliary assembly
KR20210126722A (ko) 2019-02-22 2021-10-20 클라크 이큅먼트 컴파니 동력기계용 유압 레벨링 회로

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988891A (en) * 1959-06-17 1961-06-20 American Ind Company Hydraulically responsive control system
US3120314A (en) * 1960-10-11 1964-02-04 Massey Ferguson Inc Self-leveling valve attachment for loaders
US3297183A (en) * 1965-07-21 1967-01-10 Int Harvester Co Hydraulic self-leveling device for a front mounted bucket type material loader
US3793831A (en) * 1972-06-08 1974-02-26 Allis Chalmers Electrolic control valve

Also Published As

Publication number Publication date
IT1024923B (it) 1978-07-20
NO744260L (it) 1975-06-23
FR2252281A1 (it) 1975-06-20
DE2456306A1 (de) 1975-06-05
SE423417B (sv) 1982-05-03
DK615774A (it) 1975-07-14
ZA747590B (en) 1975-12-31
NO141098B (no) 1979-10-01
BE822675A (fr) 1975-03-14
AU7583374A (en) 1976-05-27
NL7415551A (nl) 1975-05-30
ES432732A1 (es) 1977-02-16
NO141098C (no) 1980-01-09
US3952896A (en) 1976-04-27
GB1465702A (en) 1977-03-02
FR2252281B1 (it) 1980-04-25
SE7414947L (it) 1975-05-29

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