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ES420579A1 - Loader linkage - Google Patents

Loader linkage

Info

Publication number
ES420579A1
ES420579A1 ES420579A ES420579A ES420579A1 ES 420579 A1 ES420579 A1 ES 420579A1 ES 420579 A ES420579 A ES 420579A ES 420579 A ES420579 A ES 420579A ES 420579 A1 ES420579 A1 ES 420579A1
Authority
ES
Spain
Prior art keywords
bucket
boom
linkage
jack
pivotally connected
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
ES420579A
Other languages
Spanish (es)
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.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers 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 Allis Chalmers Corp filed Critical Allis Chalmers Corp
Publication of ES420579A1 publication Critical patent/ES420579A1/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
    • E02F3/3405—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 and comprising an additional linkage mechanism
    • E02F3/3411—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 and comprising an additional linkage mechanism of the Z-type

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)
  • Shovels (AREA)
  • Catching Or Destruction (AREA)
  • Special Spraying Apparatus (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The bucket control linkage of a tractor loader includes a vertically disposed lever pivotally connected intermediate its upper and lower ends to a boom. A dump link is interconnected between the lower end of the lever and the upper rear of the bucket. The bucket control linkage also includes a bucket operating jack having its front rod end pivotally connected to the upper end of the lever and its rear cylinder end pivotally connected to a special linkage. The special linkage includes a pair of pivotally interconnected links, one of which is pivotally connected to the boom and the other of which is pivotally connected to the tractor frame at a point spaced forwardly of the pivot connection between the boom and the frame. The special linkage to which the cylinder end of the bucket operating jack is connected, causes the bucket to automatically retract as the boom is raised through an initial angle toward its level position and then will cause the bucket to pivot forwardly relative to the boom to maintain the bucket in a proper material retaining altitude in relation to the ground. The various components of the bucket operating linkage are in line with the longitudinal vertical plane of the boom for ideal component stress distribution. The bucket is retracted by introduction of hydraulic fluid to the cylinder end of the dumping jack whereby the greatest possible breakout force is achieved by the jack. The rod end of the hydraulic jack is pressurized to dump the bucket thus giving the shortest possible dumping time. The connections between the bucket operating linkage and the frame of the tractor are relatively low thereby affording good operator visibility and desirable loader frame stress distribution.
ES420579A 1972-11-16 1973-11-15 Loader linkage Expired ES420579A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30705472A 1972-11-16 1972-11-16

Publications (1)

Publication Number Publication Date
ES420579A1 true ES420579A1 (en) 1976-05-01

Family

ID=23188037

Family Applications (1)

Application Number Title Priority Date Filing Date
ES420579A Expired ES420579A1 (en) 1972-11-16 1973-11-15 Loader linkage

Country Status (8)

Country Link
US (1) US3786953A (en)
JP (1) JPS4982106A (en)
BR (1) BR7308997D0 (en)
CA (1) CA993836A (en)
DE (1) DE2357365B2 (en)
ES (1) ES420579A1 (en)
GB (1) GB1449502A (en)
IT (1) IT996448B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2197770A1 (en) * 2001-09-17 2004-01-01 Automoviles Utilitarios Sa VEHICLE PROVIDED WITH AUTOCARGA SPOON

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387679B (en) * 1975-01-08 1976-09-13 Svenska Hymas Ab LINK AND MOVEMENT SYSTEMS SPECIFICALLY FOR SWINGING TOOLS AS LOAD BUCKETS FOR EXCAVATORS AND THE LIKE
US4029226A (en) * 1976-04-12 1977-06-14 J. I. Case Company Linkage support system for material handling unit
DE2948480C2 (en) * 1979-12-01 1983-12-22 Hanomag GmbH, 3000 Hannover Boom linkage for a shovel loader
US4344734A (en) * 1980-05-23 1982-08-17 J. I. Case Company Self-leveling bucket linkage
US4364705A (en) * 1980-07-07 1982-12-21 J. I. Case Company Loader mechanism
SE462624B (en) * 1988-12-06 1990-07-30 Vme Ind Sweden Ab LOADING SYSTEM WITH LOADING MACHINES
US6116847A (en) * 1998-01-30 2000-09-12 Caterpillar Inc. Lift arm for a work machine having extended height and enhanced stability
GB2362148B (en) * 2000-05-10 2004-03-24 Bamford Excavators Ltd A machine having a working arm
FR3007011B1 (en) * 2013-06-17 2015-07-17 Comilev STAFF LIFTING PLATFORM WITH INTEGRATED TURRET

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211310A (en) * 1962-07-09 1965-10-12 Caterpillar Tractor Co Trip mechanism for automatically positioning vehicle loaders
US3464574A (en) * 1968-01-08 1969-09-02 Caterpillar Tractor Co Loader lift linkage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2197770A1 (en) * 2001-09-17 2004-01-01 Automoviles Utilitarios Sa VEHICLE PROVIDED WITH AUTOCARGA SPOON

Also Published As

Publication number Publication date
DE2357365A1 (en) 1974-05-22
BR7308997D0 (en) 1974-08-22
DE2357365B2 (en) 1978-07-20
CA993836A (en) 1976-07-27
IT996448B (en) 1975-12-10
JPS4982106A (en) 1974-08-07
DE2357365C3 (en) 1979-03-22
GB1449502A (en) 1976-09-15
US3786953A (en) 1974-01-22

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