WO2014148923A3 - A timber-working head and drive wheel arm - Google Patents

A timber-working head and drive wheel arm Download PDF

Info

Publication number
WO2014148923A3
WO2014148923A3 PCT/NZ2014/000047 NZ2014000047W WO2014148923A3 WO 2014148923 A3 WO2014148923 A3 WO 2014148923A3 NZ 2014000047 W NZ2014000047 W NZ 2014000047W WO 2014148923 A3 WO2014148923 A3 WO 2014148923A3
Authority
WO
WIPO (PCT)
Prior art keywords
timber
drive wheel
working head
wheel arm
port
Prior art date
Application number
PCT/NZ2014/000047
Other languages
French (fr)
Other versions
WO2014148923A2 (en
Inventor
Douglas Craig Swinyard
Original Assignee
Waratah Nz Limited
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
Priority claimed from AU2013204317A external-priority patent/AU2013204317A1/en
Application filed by Waratah Nz Limited filed Critical Waratah Nz Limited
Publication of WO2014148923A2 publication Critical patent/WO2014148923A2/en
Publication of WO2014148923A3 publication Critical patent/WO2014148923A3/en

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
    • A01G23/095—Delimbers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A timber-working head, and more particularly a timber-working head having a drive wheel arm is provided. The head has a frame, and a drive wheel arm pivotally coupled to the frame. The arm includes a rotary drive, a rotary union between the frame and the rotary drive. The rotary union includes a pivot sleeve to which the rotary drive is mounted. The pivot sleeve has an internal bore and an outer surface, with at least one first port between the bore and the outer surface. A shaft is positioned in the bore, with at least one fluid passage having a second port in fluid communication with the first port.
PCT/NZ2014/000047 2013-03-19 2014-03-19 A timber-working head and drive wheel arm WO2014148923A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NZ608420 2013-03-19
NZ60842013 2013-03-19
AU2013204317 2013-04-12
AU2013204317A AU2013204317A1 (en) 2013-03-19 2013-04-12 A timber-working head and drive wheel arm

Publications (2)

Publication Number Publication Date
WO2014148923A2 WO2014148923A2 (en) 2014-09-25
WO2014148923A3 true WO2014148923A3 (en) 2014-12-31

Family

ID=51581579

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2014/000047 WO2014148923A2 (en) 2013-03-19 2014-03-19 A timber-working head and drive wheel arm

Country Status (1)

Country Link
WO (1) WO2014148923A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826295A (en) * 1973-04-26 1974-07-30 Deere & Co Felling head structure
US5709254A (en) * 1996-06-18 1998-01-20 Argue; Fletcher Tree harvesting apparatus
US5954105A (en) * 1996-05-24 1999-09-21 Smith; Dennis William Workhead for timber processing
US6345651B1 (en) * 1999-06-09 2002-02-12 Partek Forest Oy Ab Delimbing and cutting head of a harvesting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826295A (en) * 1973-04-26 1974-07-30 Deere & Co Felling head structure
US5954105A (en) * 1996-05-24 1999-09-21 Smith; Dennis William Workhead for timber processing
US5709254A (en) * 1996-06-18 1998-01-20 Argue; Fletcher Tree harvesting apparatus
US6345651B1 (en) * 1999-06-09 2002-02-12 Partek Forest Oy Ab Delimbing and cutting head of a harvesting machine

Also Published As

Publication number Publication date
WO2014148923A2 (en) 2014-09-25

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