Universal hub assembly

B - Operations – Transporting – 60 – B

Patent

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Details

B60B 27/02 (2006.01) A01B 29/04 (2006.01) A01C 5/06 (2006.01) B60B 27/00 (2006.01)

Patent

CA 2212965

A hub that has universal application for use with a rotatable body, such a packer wheel for seed planting, includes a flange which abuts a side wallof the body, a non-circular or polygonal boss that projects laterally from an inner side of the flange, and a bore that extends through the hub along the rotation axis. The non-circular shape of the boss prevents relative rotation between thehub and the body. The bore is generally cylindrical to receive a cylindrical shaft but it is also provided with generally V-shaped corners cut into the bore surface so that the bore can receive a rectangular shaft to which the hub is thereby locked for rotation therewith. The end face of the boss is provided with a projecting pin diametrically opposed from a similarly shaped recess such that the pin and recess of one hub can mate with the recess and hub respectively of another hub to achieve an aligned hub assembly for mounting a wide rotating body.

Moyeu universel pouvant être utilisé avec un corps rotatif, tel un rouleau plombeur servant à semer des graines. Le moyeu comprend un rebord, qui touche à une paroi latérale du corps, un bossage non circulaire ou polygonal, qui fait saillie à partir d'une paroi latérale interne du rebord, et un orifice, qui passe à travers le moyeu dans l'axe de rotation. La forme non circulaire du bossage empêche le moyeu de tourner indépendamment du corps. L'orifice est essentiellement cylindrique afin d'accommoder un essieu cylindrique. Cependant, la surface de l'orifice est entaillée de coins essentiellement en forme de V, de sorte qu'elle peut recevoir un essieu rectangulaire et le bloquer pour qu'il tourne avec le moyeu. La surface planne du bossage est pourvue d'une goupille en saillie, diamétrallement opposée à un creu, de même forme que la goupille, de sorte que la goupille et le creu d'un moyeu puisse s'accoupler respectivement avec le creu et la goupille d'un autre moyeu, ce qui permet d'aligner des moyeux en vue de monter un corps rotatif large.

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