Wood chipper rotor head knife holder and knife assembly

Details Wood chipper rotor head knife holder and knife assembly Wood chipper rotor head knife holder and knife assembly

B - Operations, Transporting

27

G

B27G 13/10 (2006.01) B27L 11/00 (2006.01) B27L 11/02 (2006.01)

Patent

CA 2239752

A wood chipper knife holder assembly for a power driven rotor head has at least one opening in its wood confronting surface for the knife holder assembly which includes a mount block. A counter-knife receiving surface opposite the wood confronting surface of the rotor head is provided on the mount block for a counter-knife and a reversible knife blade with cutting surfaces along opposite transverse edges is received on the counter-knife. A clamp plate secures to clamp the knife in a projecting cutting position. The counter-knife has at least one pair of spaced apart pin openings and the knife blade has at least one pair of complemental pin openings, and pins are received in the knife blade openings and counter-knife pin openings to permit 180° relocation of the knife.

La présente invention a pour objet un ensemble porte-couteau pour tête de déchiqueteuse motorisée comportant au moins une ouverture à sa surface qui vient en contact avec le bois pour l'ensemble porte-couteau qui comporte un bloc de montage. Le bloc de montage comporte une surface qui vient en contact avec le contre-couteau, du côté opposé à la surface qui vient en contact avec le bois, et un couteau réversible à bords tranchants opposés est monté sur le contre-couteau. Une bride de serrage maintient le couteau en saillie à la surface du disque de déchiquetage, en position de coupe. Le contre-couteau est percé d'au moins deux trous espacés correspondant aux deux trous percés dans le couteau, et des goujons introduits dans les trous pratiqués dans le couteau et dans le contre-couteau permettent la rotation du couteau sur 180 degrés.

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