SE8901962L - AGGREGATE FOR STEP WORKING - Google Patents

AGGREGATE FOR STEP WORKING

Info

Publication number
SE8901962L
SE8901962L SE8901962A SE8901962A SE8901962L SE 8901962 L SE8901962 L SE 8901962L SE 8901962 A SE8901962 A SE 8901962A SE 8901962 A SE8901962 A SE 8901962A SE 8901962 L SE8901962 L SE 8901962L
Authority
SE
Sweden
Prior art keywords
delimbing
unit
stand
axles
feed
Prior art date
Application number
SE8901962A
Other languages
Swedish (sv)
Other versions
SE469774B (en
SE8901962D0 (en
Inventor
I Hansson
Original Assignee
Valmet Logging 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 Valmet Logging Ab filed Critical Valmet Logging Ab
Priority to SE8901962A priority Critical patent/SE469774B/en
Publication of SE8901962D0 publication Critical patent/SE8901962D0/en
Priority to FI902709A priority patent/FI103653B/en
Publication of SE8901962L publication Critical patent/SE8901962L/en
Publication of SE469774B publication Critical patent/SE469774B/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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Scissors And Nippers (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

A tree-reprocessing unit suspended from a crane arm of a crane, comprising a stand, at least one delimbing unit and at least two feed rollers which can be pivoted towards and away from each other and comprise a feed unit for feeding tree trunks through the unit. In order to enable this without the use of special gripping arms, the delimbing unit and the feed unit are supported by two axles 7 mounted in the stand and in relation to which the feed rollers 12 of the feed unit can be pivoted, and the delimbing unit comprises longitudinal-delimbing members and a rear and a front pair of delimbing members 51,52 which are pivotable about the said axles 7 and which, in the front and the rear pair, can be pivoted about their respective said stand axles 7 by means of a piston- cylinder device 56, a torsion spring 60 being disposed in the respective stand axle for the transmission of this movement to the delimbing member 52 of the front pair, which torsion spring is secured in the biased state between the stand axle 7 and the associated delimbing member 52, which is movable to a limited extent relative to the stand axle 7 against the action of the spring bias. <IMAGE>
SE8901962A 1989-05-31 1989-05-31 Tree-reprocessing unit SE469774B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8901962A SE469774B (en) 1989-05-31 1989-05-31 Tree-reprocessing unit
FI902709A FI103653B (en) 1989-05-31 1990-05-31 Aggregates for woodworking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8901962A SE469774B (en) 1989-05-31 1989-05-31 Tree-reprocessing unit

Publications (3)

Publication Number Publication Date
SE8901962D0 SE8901962D0 (en) 1989-05-31
SE8901962L true SE8901962L (en) 1990-12-01
SE469774B SE469774B (en) 1993-09-13

Family

ID=20376126

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901962A SE469774B (en) 1989-05-31 1989-05-31 Tree-reprocessing unit

Country Status (2)

Country Link
FI (1) FI103653B (en)
SE (1) SE469774B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100576B (en) * 1996-07-17 1998-01-15 Plustech Oy Grapple grapple
FI20001977A0 (en) * 2000-09-07 2000-09-07 Lako Oy Harvesting equipment for a driving machine
US7677279B2 (en) 2007-01-31 2010-03-16 Deere & Company Delimb knife mounting arrangement for tree harvester head

Also Published As

Publication number Publication date
SE469774B (en) 1993-09-13
FI103653B1 (en) 1999-08-13
FI902709A0 (en) 1990-05-31
FI103653B (en) 1999-08-13
SE8901962D0 (en) 1989-05-31

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