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
AU2009353980B2 (en) * 2009-10-12 2014-07-10 Deere And 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
JPS548920B2 (sv) 1979-04-19
JPS5257597A (en) 1977-05-12
US4039010A (en) 1977-08-02
CA1061680A (en) 1979-09-04

Similar Documents

Publication Publication Date Title
SE7607366L (sv) Hydraulisk krets for tredavverkningsapparater
SE411379B (sv) Hydraulisk servomotor med kolvorgan och en operatormanovrerad tryckstang
IT7868839A0 (it) Dispositivo di tenditore a ginocchiera pneumatico oppure idraulicocon cilindro diespinta a due stadi
ES452357A1 (es) Un estructura de sierra y corte para la tala de arboles.
DK118280A (da) Indretning til snitslgdampning i stansepresser navnlig hydrauliske stansepresser
CA995105A (en) Tree harvesting device for hydraulic operation
ES311703A1 (es) Perfeccionamientos en prensas con una maza de presion de accionamiento hidraulico.
IT1127067B (it) Trasmissione per trattore agricolo
SU499786A3 (ru) Гидравлический прижим гильотинных ножниц
GB1547675A (en) Fluid operated hydraulic pump including an hydraulic fluid pressure release assembly
SE390689B (sv) Hydraulisk tredfellningskil
FR2413029A1 (fr) Dispositif pour eclaircir les arbres
SU520207A1 (ru) Пневмогидравлические ножницы
GB909906A (en) Hydraulic control system for variable displacement pump
ES470289A1 (es) Sistema hidraulico lamina-diente para su aplicacion en los tractores agricolas de arrastre
ES396413A1 (es) Perfeccionamientos introducidos en mecanismos para el con- trol de la profundidad de trabajo de una excavadora del tipode las que tienen una pala o herramienta similar de movi- miento de tierra.
ES267036A1 (es) Mejoras en la construcciën de utiles podadores y cortadores
SU832218A1 (ru) Устройство дл гашени гидравлическихудАРОВ
SU600330A1 (ru) Электрогидравлический след щий привод
JPS5364325A (en) Device for elevationally moving movable farm implement
CA964559A (en) Device intended for tree cross-cutting, felling, trimming and piling work
ES442005A1 (es) Dispositivo para la elaboracion de la dos de cubiertos y si-milares ya estampados.
CA845456A (en) Device to feed a felled tree through the working member of a delimbing machine
ES212356Y (es) Disposicion perfeccionada en cizallas a guillotina hidrau- licas.
AU247698B2 (en) Improvements relating to implement attaching apparatus for tractors including a hydraulic depth control device

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7607366-7