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FI881946A7 - Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom. - Google Patents

Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom. Download PDF

Info

Publication number
FI881946A7
FI881946A7 FI881946A FI881946A FI881946A7 FI 881946 A7 FI881946 A7 FI 881946A7 FI 881946 A FI881946 A FI 881946A FI 881946 A FI881946 A FI 881946A FI 881946 A7 FI881946 A7 FI 881946A7
Authority
FI
Finland
Prior art keywords
ovanom
nivao
markytan
ledad
arbetsredskap
Prior art date
Application number
FI881946A
Other languages
English (en)
Other versions
FI881946A0 (fi
Inventor
Olle Svedaoker
Original Assignee
Oesa Ab
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 Oesa Ab filed Critical Oesa Ab
Publication of FI881946A0 publication Critical patent/FI881946A0/fi
Publication of FI881946A7 publication Critical patent/FI881946A7/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Jib Cranes (AREA)
FI881946A 1986-09-01 1988-04-26 Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom. FI881946A7 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8603660A SE454351B (sv) 1986-09-01 1986-09-01 Anordning for nivahallning av ett redskapsfeste till en vikarmskran
PCT/SE1987/000377 WO1988001600A1 (en) 1986-09-01 1987-08-27 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground

Publications (2)

Publication Number Publication Date
FI881946A0 FI881946A0 (fi) 1988-04-26
FI881946A7 true FI881946A7 (fi) 1988-04-26

Family

ID=20365446

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881946A FI881946A7 (fi) 1986-09-01 1988-04-26 Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom.

Country Status (5)

Country Link
US (1) US4828125A (fi)
AU (1) AU7879787A (fi)
FI (1) FI881946A7 (fi)
SE (1) SE454351B (fi)
WO (1) WO1988001600A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923362A (en) * 1988-06-06 1990-05-08 Deere & Company Bucket leveling system with dual fluid supply
EP0397076A1 (en) * 1989-05-11 1990-11-14 Vickers Incorporated Electrohydraulic system
US5486084A (en) * 1993-06-07 1996-01-23 Raymond F. Pitman Multiple purpose material handling and working apparatus
FI955172A0 (fi) * 1995-10-30 1995-10-30 Sakari Pinomaeki Foerfarande i ett tryckmediumsystem och ett tryckmediumsystem
DE69621842T2 (de) * 1996-09-23 2003-02-13 Motrac Ab Zweiarmsystem
SE521258C2 (sv) * 1997-03-03 2003-10-14 Motrac Ab Tvåarmat system
FI111938B (fi) * 1999-07-06 2003-10-15 Plustech Oy Puomiston ohjausjärjestelmä maastossa liikkuvassa työkoneessa
FI19992467A7 (fi) * 1999-11-17 2001-05-18 Timberjack Oy Menetelmä puomistokuormaimessa ja puomistokuormain
DK1518053T3 (da) * 2002-05-28 2010-01-25 Iti Scotland Ltd Fremgangsmåde og kran til installering, vedligehold og demontering af vindturbiner
CN100535367C (zh) 2005-01-19 2009-09-02 Iti苏格兰有限公司 夹具、自移式爬升装置和联接夹具与管形件的方法
US8863966B2 (en) 2011-03-21 2014-10-21 Dynaking Crane, Llc Kingpost crane apparatus and method
US9630812B1 (en) 2014-09-30 2017-04-25 The United States Of America As Represented By The Secretary Of The Navy Load transfer accessory for diminishing unwanted motion of cylindrical cargo during loading operations
US12312764B2 (en) 2021-05-21 2025-05-27 Doosan Bobcat North America, Inc. Self-leveling lift arm assembly for power machines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884359A (en) * 1968-11-27 1975-05-20 Hopper Inc Level luffing crane
US3685668A (en) * 1969-10-03 1972-08-22 Hopper Inc Convertible level luffing crane
FR2152491B1 (fi) * 1971-09-15 1977-07-08
SE400794B (sv) * 1975-04-17 1978-04-10 Hammarstrand Sten Ove Parallellforingssystem for lastmaskiner eller liknande
US4081055A (en) * 1977-01-24 1978-03-28 Teco, Inc. Hydraulic device for controlling the perpendicularity of boom members in mobile platforms
DE2802011A1 (de) * 1978-01-18 1979-08-02 Michaelis Karl Heinz Kran, insbesondere zum be- und entladen von kraftfahrzeugen
DE2949718A1 (de) * 1979-12-11 1981-06-19 Atlas-Verkaufsbüro Fritz Harald Arend, 7216 Dietingen Vorrichtung zur automatischen parallelfuehrung des loeffels eines hydraulikbaggers
US4557391A (en) * 1982-06-30 1985-12-10 Fmc Corporation Method of controlling the angle of a pivotal boom with extensible sections

Also Published As

Publication number Publication date
FI881946A0 (fi) 1988-04-26
AU7879787A (en) 1988-03-24
WO1988001600A1 (en) 1988-03-10
SE454351B (sv) 1988-04-25
SE8603660L (sv) 1988-03-02
SE8603660D0 (sv) 1986-09-01
US4828125A (en) 1989-05-09

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MM Patent lapsed

Owner name: ÖSA AB