CA1028653A - Dispositif de calage en hauteur d'une fleche de chargement - Google Patents

Dispositif de calage en hauteur d'une fleche de chargement

Info

Publication number
CA1028653A
CA1028653A CA253,418A CA253418A CA1028653A CA 1028653 A CA1028653 A CA 1028653A CA 253418 A CA253418 A CA 253418A CA 1028653 A CA1028653 A CA 1028653A
Authority
CA
Canada
Prior art keywords
lowering device
boom loader
loader
boom
lowering
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
CA253,418A
Other languages
English (en)
Inventor
Joseph C. Hurlburt
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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of CA1028653A publication Critical patent/CA1028653A/fr
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
    • 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
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/388—Mechanical locking means for booms or arms against rotation, e.g. during transport of the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
CA253,418A 1975-09-04 1976-05-26 Dispositif de calage en hauteur d'une fleche de chargement Expired CA1028653A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/610,368 US3995761A (en) 1975-09-04 1975-09-04 Anti-lowering device for a boom loader

Publications (1)

Publication Number Publication Date
CA1028653A true CA1028653A (fr) 1978-03-28

Family

ID=24444744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253,418A Expired CA1028653A (fr) 1975-09-04 1976-05-26 Dispositif de calage en hauteur d'une fleche de chargement

Country Status (2)

Country Link
US (1) US3995761A (fr)
CA (1) CA1028653A (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182593A (en) * 1978-02-22 1980-01-08 Sweet Walter A Bale loading and handling device
US4225282A (en) * 1978-06-26 1980-09-30 Ford Motor Company Backhoe boom transport locking means
US4260320A (en) * 1979-06-11 1981-04-07 Hydra-Mac, Inc. Safety device for a front end type loader vehicle
US4388038A (en) * 1981-04-22 1983-06-14 Sperry Corporation Automatic locking pin retraction mechanism
US4385863A (en) * 1981-05-13 1983-05-31 Sperry Corporation Seat interlock for skid-steer loader
US4389154A (en) * 1981-05-13 1983-06-21 Sperry Corporation Time delay for a seat switch activated loader boom lock
FR2512796A1 (fr) * 1981-09-17 1983-03-18 Brimont Marcel Chariot de manutention ou de travaux publics
US5195863A (en) * 1982-09-08 1993-03-23 Pingon Pierre J De Excavator loader
DE8234522U1 (de) * 1982-12-06 1985-09-12 O & K Orenstein & Koppel Ag, 1000 Berlin Ausleger einer Baggerausrüstung
US4705449A (en) * 1985-07-10 1987-11-10 Christianson Leslie L Skid-steer vehicle
US4947705A (en) * 1989-05-12 1990-08-14 Ingersoll-Rand Company Method and apparatus for maintaining a load raising linkage in a rasied position
CA2035210A1 (fr) * 1991-01-29 1992-07-30 Lloyd Orser Appareil et methode de verrouillable en position basse de bras de levage
US5542814A (en) * 1994-11-22 1996-08-06 New Holland North America, Inc. Method of lifting a skid steer loader bucket
US5511932A (en) * 1994-11-22 1996-04-30 New Holland North America, Inc. Skid steer loader boom control system
US5551826A (en) * 1995-04-10 1996-09-03 New Holland North America, Inc. Skid steer loader cab mounting apparatus
US6171050B1 (en) 1997-08-29 2001-01-09 Gehl Company Load arm assembly for a skid steer loader
US6997667B2 (en) 2002-11-13 2006-02-14 Skid Mor Development Llc Material handling apparatus and method for operating
US7618229B2 (en) * 2007-06-27 2009-11-17 Deere & Company Boom lock for work machine and associated method
US7909389B2 (en) * 2008-01-31 2011-03-22 Cnh America Llc Protection device for a pivotable cab structure
US9340956B2 (en) * 2012-10-11 2016-05-17 Cnh Industrial America Llc Boom lock system for work machine
US9017005B2 (en) 2013-01-30 2015-04-28 Deere & Company Skid steer loader lift linkage assembly
US9970176B2 (en) * 2015-02-20 2018-05-15 The Toro Company Utility loader with high lift loader arms and unifying hand grip for dual traction control levers
US9719228B2 (en) * 2015-03-24 2017-08-01 Deere & Company Work vehicle boom lock
CN110088406A (zh) 2016-12-16 2019-08-02 克拉克设备公司 具有伸缩式提升臂的装载机
USD832551S1 (en) * 2017-10-12 2018-10-30 Clark Equipment Company Loader
USD832552S1 (en) * 2017-10-12 2018-10-30 Clark Equipment Company Lift arm for loader
KR102619055B1 (ko) * 2018-08-29 2023-12-29 주식회사 대동 로더 승강 어셈블리 작업 장치
US12279557B2 (en) 2021-11-05 2025-04-22 Cnh Industrial America Llc Piston lock system for agricultural equipment
US11473600B1 (en) 2021-11-05 2022-10-18 Cnh Industrial America Llc Piston lock system for agricultural equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497501A (en) * 1921-06-23 1924-06-10 Vulcan Iron Works Release stop or support for hoist cages
US1595004A (en) * 1925-12-30 1926-08-03 Ingersoll Rand Co Pneumatically-operated chair for hoist cages
GB747342A (en) * 1951-11-19 1956-04-04 Edgar Atheling Davies Senior Improvements in and relating to pithead gear safety catches for pit cages or skips
US3215292A (en) * 1964-09-14 1965-11-02 Sperry Rand Corp Material handling apparatus-front lift type
US3396863A (en) * 1967-04-11 1968-08-13 Caterpillar Tractor Co Latch means for loader lift arm support
US3730362A (en) * 1971-09-09 1973-05-01 Sperry Rand Corp Anti-lowering device for a loader boom
US3918601A (en) * 1974-07-15 1975-11-11 Int Harvester Co Linkage restraining safety device

Also Published As

Publication number Publication date
US3995761A (en) 1976-12-07

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