GB1028829A - Improvements in or relating to material handling machines - Google Patents

Improvements in or relating to material handling machines

Info

Publication number
GB1028829A
GB1028829A GB44570/64A GB4457064A GB1028829A GB 1028829 A GB1028829 A GB 1028829A GB 44570/64 A GB44570/64 A GB 44570/64A GB 4457064 A GB4457064 A GB 4457064A GB 1028829 A GB1028829 A GB 1028829A
Authority
GB
United Kingdom
Prior art keywords
boom
relating
material handling
nov
handling machines
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
GB44570/64A
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 GB1028829A publication Critical patent/GB1028829A/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
    • E02F3/434—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig
    • 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
    • E02F3/3408—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 parallelogram-type
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

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)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

1,028,829. Excavators. ALLIS-CHALMERS MANUFACTURING CO. Nov. 2, 1964 [Nov. 14, 1963], No. 44570/64. Heading E1F. A boom movement-responsive mechanism is arranged to cause automatic movement of the valve spool of the valve controlling the hydraulic motor actuating the boom from boom raise or boom float positions to boom hold position when the boom is moved to predetermined raised or lowered positions respectively.
GB44570/64A 1963-11-04 1964-11-02 Improvements in or relating to material handling machines Expired GB1028829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321277A US3204794A (en) 1963-11-04 1963-11-04 Automatic boom control

Publications (1)

Publication Number Publication Date
GB1028829A true GB1028829A (en) 1966-05-11

Family

ID=23249929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44570/64A Expired GB1028829A (en) 1963-11-04 1964-11-02 Improvements in or relating to material handling machines

Country Status (2)

Country Link
US (1) US3204794A (en)
GB (1) GB1028829A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358860A (en) * 1966-05-11 1967-12-19 Caterpillar Tractor Co Automatic valve control mechanisim for tractor mounted loaders
US3534881A (en) * 1968-08-06 1970-10-20 Case Co J I Linkage for positioning loader bucket
US3524562A (en) * 1968-09-19 1970-08-18 Caterpillar Tractor Co Hydraulic controls for bucket loaders
US3680723A (en) * 1971-02-18 1972-08-01 Case Co J I Hydraulic control system for backhoes
US3976211A (en) * 1974-11-07 1976-08-24 Marion Power Shovel Company, Inc. Motion limit system for power shovels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035710A (en) * 1958-06-11 1962-05-22 Hydrostahlbau Ges Wiese & Co Hydraulic whip drive for the overhang beam of a crane
US3045845A (en) * 1958-08-20 1962-07-24 Eimco Corp Implement position control and indicator means

Also Published As

Publication number Publication date
US3204794A (en) 1965-09-07

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