A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
A01G 23/095 (2006.01) B27B 25/00 (2006.01) B27B 25/04 (2006.01)
Patent
CA 2262230
The present invention relates to a feed roller (1) by means of which a felled tree (2) trunk is fed into a timber harvester for delimbing. The apparatus comprises a drive wheel (4) and at least one transmission means (5) arranged at the outer circumference of and controlled by the drive wheel, the transmission means having engagement plates (3) provided with gripping means (14). The apparatus efficiently equalizes surface pressure exerted on the tree (2) trunk, even though the drive wheel is without cushioning rubber material. The transmission means (5) arranged on the drive wheel (4) is longer than the wheel perimeter. Consequently, the transmission means is arranged to form a plane surface between the drive wheel and the tree trunk, whereby a continuous surface pressing evenly against the tree trunk is formed on the wood side in the apparatus.
Fetherstonhaugh & Co.
Ponsse Oyj
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