Knife edged stalk rolls

Details Knife edged stalk rolls Knife edged stalk rolls

A - Human Necessities

01

D

A01D 45/02 (2006.01)

Patent

CA 2123294

A stalk roll comprises a cylindrical shell having six integral flutes. Each flute is provided with a knife edge having a leading surface and a trailing surface. The leading surface has a forward slope of approximately 10~ from the plane formed by the central longitudinal axis of the cylindrical shell and the vertex of the respective knife edge. The trailing surface has a reverse slope of approximately 30~ from the plane formed by the central longitudinal axis of the cylindrical shell and the vertex of the respective knife edge. The cylindrical shell comprises two semi-cylindrical pieces that are clamped about a drive shaft of a corn harvesting head by associated bolts.

Rouleau broyeur de tiges constitué d'un corps cylindrique ayant six cannelures incorporées. Chaque cannelure comporte un tranchant ayant une surface d'attaque et une surface de fuite. La surface d'attaque comporte une pente vers l'avant d'environ 10° par rapport au plan formé par l'axe longitudinal central du corps cylindrique et le sommet du tranchant respectif. La surface de fuite comporte une pente inverse d'environ 30° par rapport au plan formé par l'axe longitudinal central du corps cylindrique et le sommet du tranchant respectif. Le corps cylindrique comprend deux pièces semi-cylindriques qui sont fixées de part et d'autre de l'arbre d'entraînement d'une récolteuse d'épis de maïs à l'aide de boulons connexes.

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