EP2888487A4 - Method and protective arrangement for linear control and actuator means that are components of a tree harvester of a forestry machine - Google Patents

Method and protective arrangement for linear control and actuator means that are components of a tree harvester of a forestry machine

Info

Publication number
EP2888487A4
EP2888487A4 EP12883939.6A EP12883939A EP2888487A4 EP 2888487 A4 EP2888487 A4 EP 2888487A4 EP 12883939 A EP12883939 A EP 12883939A EP 2888487 A4 EP2888487 A4 EP 2888487A4
Authority
EP
European Patent Office
Prior art keywords
components
actuator means
linear control
protective arrangement
forestry machine
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.)
Withdrawn
Application number
EP12883939.6A
Other languages
German (de)
French (fr)
Other versions
EP2888487A1 (en
Inventor
Torbjörn Sikström
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.)
Komatsu Forest AB
Original Assignee
Komatsu Forest 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 Komatsu Forest AB filed Critical Komatsu Forest AB
Publication of EP2888487A1 publication Critical patent/EP2888487A1/en
Publication of EP2888487A4 publication Critical patent/EP2888487A4/en
Withdrawn legal-status Critical Current

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
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/083—Feller-delimbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Actuator (AREA)
  • Catching Or Destruction (AREA)
EP12883939.6A 2012-08-27 2012-08-27 Method and protective arrangement for linear control and actuator means that are components of a tree harvester of a forestry machine Withdrawn EP2888487A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050905 WO2014035300A1 (en) 2012-08-27 2012-08-27 Method and protective arrangement for linear control and actuator means that are components of a tree harvester of a forestry machine

Publications (2)

Publication Number Publication Date
EP2888487A1 EP2888487A1 (en) 2015-07-01
EP2888487A4 true EP2888487A4 (en) 2016-06-22

Family

ID=50183975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12883939.6A Withdrawn EP2888487A4 (en) 2012-08-27 2012-08-27 Method and protective arrangement for linear control and actuator means that are components of a tree harvester of a forestry machine

Country Status (4)

Country Link
EP (1) EP2888487A4 (en)
AU (1) AU2012388831B2 (en)
BR (1) BR112015004094B1 (en)
WO (1) WO2014035300A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933388B1 (en) 2014-04-18 2020-11-11 Caterpillar Work Tools B. V. Hydraulic cylinder cover
EP3244070B1 (en) * 2016-05-11 2021-02-17 Goodrich Actuation Systems Limited Rod end cover

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7433390U (en) * 1974-10-04 1975-04-24 Hildebrandt F
US4194542A (en) * 1977-03-18 1980-03-25 Eriksson Jan A L Device in an apparatus for processing trees
JPH0372597U (en) * 1989-11-10 1991-07-22
US5975168A (en) * 1998-09-11 1999-11-02 Caterpillar Commercial Sarl Device and method for trimming a tree
US20040093770A1 (en) * 2002-11-14 2004-05-20 John Clapper Grappling attachment for excavating machines and the like
JP2008151321A (en) * 2006-12-20 2008-07-03 Hitachi Constr Mach Co Ltd Cylinder protector
CA2573743A1 (en) * 2007-01-12 2008-07-12 Rotobec Inc. An actuator with a protective sleeve for a piston
WO2010081937A1 (en) * 2009-01-16 2010-07-22 Waratah Om Oy A feller device for felling and delimbing of tree trunks, and a delimbing blade

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036993U (en) * 1973-08-08 1975-04-17
DE4010225A1 (en) * 1990-03-30 1991-10-02 Porsche Ag PROTECTIVE DEVICE FOR A PISTON ROD OF A HYDRAULIC CYLINDER
JP3319943B2 (en) * 1996-05-07 2002-09-03 株式会社クボタ Protective device for boom swing cylinder in construction equipment
JP2001082414A (en) * 1999-09-13 2001-03-27 Susumu Nakazono Hydraulic cylinder rod cover for hydraulic shovel
JP4584823B2 (en) * 2005-12-20 2010-11-24 日立建機株式会社 Cylinder device
WO2007102530A1 (en) * 2006-03-09 2007-09-13 Hitachi Construction Machinery Co., Ltd. Cylinder protective cover

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7433390U (en) * 1974-10-04 1975-04-24 Hildebrandt F
US4194542A (en) * 1977-03-18 1980-03-25 Eriksson Jan A L Device in an apparatus for processing trees
JPH0372597U (en) * 1989-11-10 1991-07-22
US5975168A (en) * 1998-09-11 1999-11-02 Caterpillar Commercial Sarl Device and method for trimming a tree
US20040093770A1 (en) * 2002-11-14 2004-05-20 John Clapper Grappling attachment for excavating machines and the like
JP2008151321A (en) * 2006-12-20 2008-07-03 Hitachi Constr Mach Co Ltd Cylinder protector
CA2573743A1 (en) * 2007-01-12 2008-07-12 Rotobec Inc. An actuator with a protective sleeve for a piston
WO2010081937A1 (en) * 2009-01-16 2010-07-22 Waratah Om Oy A feller device for felling and delimbing of tree trunks, and a delimbing blade

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014035300A1 *

Also Published As

Publication number Publication date
EP2888487A1 (en) 2015-07-01
AU2012388831B2 (en) 2017-10-12
WO2014035300A1 (en) 2014-03-06
AU2012388831A1 (en) 2015-03-12
BR112015004094B1 (en) 2021-01-26
BR112015004094A2 (en) 2017-07-04

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