Abstract: A feed roller assembly of a harvester head of a forestry machine includes a pivoted arm operated by a hydraulic cylinder and a feed roller and one operating device attached to the pivoted arm having an attachment hub driving the feed roller, the feed roller includes at least one attachment flange, at least two toothed discs, spacer pieces between at least the attachment flange and the toothed discs, attachment bolts connecting the attachment flange, the toothed discs, and the spacer pieces to form the feed roller as a bolted construction, and a cleaning comb attached to the arm for cleaning gaps formed between each pair of components when the feed roller is rotating.

Abstract: A feed roller assembly of a harvester head of a forestry machine includes a pivoted arm operated by a hydraulic cylinder and a feed roller and one operating device attached to the pivoted arm having an attachment hub driving the feed roller, the feed roller includes at least one attachment flange, at least two toothed discs, spacer pieces between at least the attachment flange and the toothed discs, attachment bolts connecting the attachment flange, the toothed discs, and the spacer pieces to form the feed roller as a bolted construction, and a cleaning comb attached to the arm for cleaning gaps formed between each pair of components when the feed roller is rotating.

Abstract: The invention relates to an arrangement in connection with a feed roller of a harvester head of a forestry machine, which arrangement includes a feed roller (1) and an operating device driving the feed roller (1), which feed roller (1) includes at least one attachment flange (2) for attaching the said feed roller (1) to the said operating device, and at least two toothed discs (3) attached to the said attachment flange (2), which said toothed discs (3) are arranged to act as gripping surfaces against a tree. The said feed roller (1) further includes spacer pieces (4) between the attachment flange (2) and the toothed discs (3), and attachment means (17) for connecting the attachment flange (2), the toothed discs (3), and the spacer pieces (4) to form the feed roller (1).