GB1089881A - A boom loader - Google Patents

A boom loader

Info

Publication number
GB1089881A
GB1089881A GB4439/65A GB443965A GB1089881A GB 1089881 A GB1089881 A GB 1089881A GB 4439/65 A GB4439/65 A GB 4439/65A GB 443965 A GB443965 A GB 443965A GB 1089881 A GB1089881 A GB 1089881A
Authority
GB
United Kingdom
Prior art keywords
boom
valve
feb
swinging
boom loader
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
GB4439/65A
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
Publication of GB1089881A publication Critical patent/GB1089881A/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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices

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)
  • Mechanically-Actuated Valves (AREA)
  • Mechanical Control Devices (AREA)

Abstract

1,089,881. Shovelling machines. INTERNATIONAL HARVESTER CO. Feb. 2, 1965 [Feb. 27, 1964], No. 4439/65. Heading E1F. A cam unit actuates through suitable linkage a control valve for automatically re-centring a spool of the valve, which controls hydraulic rams for vertically swinging a shovel-carrying boom, to stop swinging of the boom on the boom being raised a predetermined amount by manual setting of the valve.
GB4439/65A 1964-02-27 1965-02-02 A boom loader Expired GB1089881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US347715A US3251492A (en) 1964-02-27 1964-02-27 Automatic boom positioning device

Publications (1)

Publication Number Publication Date
GB1089881A true GB1089881A (en) 1967-11-08

Family

ID=23364929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4439/65A Expired GB1089881A (en) 1964-02-27 1965-02-02 A boom loader

Country Status (3)

Country Link
US (1) US3251492A (en)
DE (1) DE1288984B (en)
GB (1) GB1089881A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670628A (en) * 1970-09-02 1972-06-20 Caterpillar Tractor Co Kickout valve and circuit
US3796335A (en) * 1972-01-14 1974-03-12 Int Harvester Co Bucket position indicator
US4391563A (en) * 1981-08-31 1983-07-05 J. I. Case Company Bucket position indicator assembly
CA1320696C (en) * 1987-08-12 1993-07-27 Isao Kourogi Apparatus for controlling posture of front loader

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2257291A (en) * 1940-09-10 1941-09-30 Kenneth E Bemis Timing device
GB794413A (en) * 1953-08-28 1958-05-07 Eimco Corp Improvements in or relating to material-handling machines
US2853200A (en) * 1955-10-26 1958-09-23 Hough Co Frank Tractor shovel
US3045845A (en) * 1958-08-20 1962-07-24 Eimco Corp Implement position control and indicator means
US3122247A (en) * 1960-12-27 1964-02-25 Caterpillar Tractor Co Automatic positioning device for material handling bucket
US3141562A (en) * 1962-04-12 1964-07-21 Clark Equipment Co Height limiter

Also Published As

Publication number Publication date
US3251492A (en) 1966-05-17
DE1288984B (en) 1969-02-06

Similar Documents

Publication Publication Date Title
GB1106021A (en) A loader unit
GB1386973A (en) Control valve mechanism
GB1089881A (en) A boom loader
GB1025763A (en) An improved hydraulic control system for vehicle-borne equipment and implements
GB1149111A (en) Material handling apparatus having a material handling bucket
GB1028829A (en) Improvements in or relating to material handling machines
GB1175871A (en) Tractor mountable bucket loader unit
GB1108625A (en) Improvements in remotely controlled shovel loader vehicles for performing mining work
GB1133665A (en) Improvements in or relating to devices for spreading liquids
ES103482U (en) Semiautomatic return plow (Machine-translation by Google Translate, not legally binding)
AU430014B2 (en) Automatic valve control mechanism for tractor mounted loaders
AU2019567A (en) Automatic valve control mechanism for tractor mounted loaders
CA723437A (en) Operating lever for hydraulic control valve
JPS5215013A (en) Remote control system for dump car
ES104564U (en) Automatic return plow (Machine-translation by Google Translate, not legally binding)
GB1157101A (en) An improvement in or relating to Mine Roof Support Means
GB905570A (en) Improvements in or relating to digging or shovelling machines
CA790837A (en) Control linkage for earthworking tools
CA721472A (en) Valve controlling arm for a fuel system
FR1080800A (en) Automatic hydraulic distributor for controlling a pump relief valve in a hydro or oleopneumatic accumulator installation
FR1226232A (en) Hydraulic control of a mounted implement, especially of a mower bar, incorporated in its control mechanism
FR78041E (en) Hydraulic control of a mounted implement, especially of a mower bar, incorporated in its control mechanism
CA687901A (en) Hydraulic control valve having void control means
JPS53138134A (en) Automatic elevator for working machine
ES300147A1 (en) Method of control of the development of fungal order "erysiphales" (Machine-translation by Google Translate, not legally binding)