SE7607366L - Hydraulisk krets for tredavverkningsapparater - Google Patents

Hydraulisk krets for tredavverkningsapparater

Info

Publication number
SE7607366L
SE7607366L SE7607366A SE7607366A SE7607366L SE 7607366 L SE7607366 L SE 7607366L SE 7607366 A SE7607366 A SE 7607366A SE 7607366 A SE7607366 A SE 7607366A SE 7607366 L SE7607366 L SE 7607366L
Authority
SE
Sweden
Prior art keywords
hydraulic circuit
cutter
hydraulic
frame
felling
Prior art date
Application number
SE7607366A
Other languages
Unknown language ( )
English (en)
Inventor
F J Tucek
Original Assignee
Case Co J I
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 Case Co J I filed Critical Case Co J I
Publication of SE7607366L publication Critical patent/SE7607366L/sv

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
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Scissors And Nippers (AREA)
SE7607366A 1975-11-03 1976-06-28 Hydraulisk krets for tredavverkningsapparater SE7607366L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/628,226 US4039010A (en) 1975-11-03 1975-11-03 Hydraulic circuit for tree harvesting implement

Publications (1)

Publication Number Publication Date
SE7607366L true SE7607366L (sv) 1977-05-04

Family

ID=24518000

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7607366A SE7607366L (sv) 1975-11-03 1976-06-28 Hydraulisk krets for tredavverkningsapparater

Country Status (4)

Country Link
US (1) US4039010A (sv)
JP (1) JPS5257597A (sv)
CA (1) CA1061680A (sv)
SE (1) SE7607366L (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244405A (en) * 1979-02-05 1981-01-13 Deere & Company Tree shear head and controls therefor
SE451937B (sv) * 1982-09-03 1987-11-09 Osa Ab Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat
US4632158A (en) * 1985-08-01 1986-12-30 Clark Equipment Company Power limiting hydraulic system
FR2625460B1 (fr) * 1987-12-31 1992-02-21 Armef Tete de travail pour machine de faconnage d'arbres
US4848425A (en) * 1988-07-15 1989-07-18 Gilles Mercier Felling head with swinging cutter bar
US5647722A (en) * 1990-12-28 1997-07-15 Cartner; Jack O. Dual cylinder actuated boom arm
US5267594A (en) * 1992-08-13 1993-12-07 Blount, Inc. Grapple saw with positive pressure grapple arms
US6035909A (en) * 1998-12-08 2000-03-14 Caterpillar Inc. Hydraulic drive for a feller-buncher
GB0015074D0 (en) * 2000-06-21 2000-08-09 Fox David M Hydraulic cutting attachment
EP1176316A1 (fr) 2000-07-26 2002-01-30 Phenix Industries Dispositif hydraulique pour deux actionneurs
US6520593B2 (en) * 2001-03-13 2003-02-18 Caterpillar Inc Hydraulic positioning system
US6763863B2 (en) * 2002-07-19 2004-07-20 Tigercat Industries Inc. Hydraulic circuits for tree-harvesting knuckle booms
CA2776686C (en) * 2009-10-12 2017-03-14 Deere & Company Load sense hydraulic pump alignment
FR2970840B1 (fr) * 2011-01-27 2013-03-01 Emile Jacquier Outil d'abattage d'arbres
BR112016013560B1 (pt) 2013-12-20 2020-11-03 Komatsu Forest Ab método e arranjo para indicação do corte dos dentes em um cabeçote de colhedora, cabeçote de colhedora e máquina florestal
IT201800007247A1 (it) * 2018-07-17 2020-01-17 Testa abbattitrice idraulica per tronchi o rami di alberi ed atta a venire montata su un veicolo da lavoro
CN111336151B (zh) * 2020-04-01 2021-08-13 东方电气自动控制工程有限公司 一种带手自动切换的液压调速系统的控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1103036A (en) * 1912-06-07 1914-07-14 Bridgeport Brass Co Controlling mechanism for hydraulic presses and the like.
US2101021A (en) * 1934-10-06 1937-12-07 American Laundry Mach Co Pressing machine and control mechanism
US3313316A (en) * 1964-06-01 1967-04-11 Clark Equipment Co Relief and anti-cavitation valve assembly
DE2048421C3 (de) * 1970-10-02 1979-08-09 Danfoss A/S, Nordborg (Daenemark) Ventilanordnung für hydraulische Lenkvorrichtungen
US3774696A (en) * 1971-10-13 1973-11-27 Case Co J I Pitch-tilt hydraulic circuits for dozer blades
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
US3848648A (en) * 1973-04-06 1974-11-19 M Dika Tree felling apparatus
US3902538A (en) * 1974-06-10 1975-09-02 Muirhead Machinery Ltd Tree falling apparatus

Also Published As

Publication number Publication date
CA1061680A (en) 1979-09-04
JPS548920B2 (sv) 1979-04-19
JPS5257597A (en) 1977-05-12
US4039010A (en) 1977-08-02

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