Patent ID: 7052424
Filing Date: 2006-05-30
Classification: B62D,F16H

Abstract:
1. A drive sprocket assembly adapted for rotation about an axis thereof, comprising: a circular hub concentrically disposed about the axis, the hub having an outer periphery; and a plurality of arcuate segments positioned around the outer periphery of the hub, each one of the arcuate segments having a first end portion, a second end portion, an arcuate inner mounting portion having a curved surface, an arcuate outer portion, and an arcuate intermediate portion having a plurality of reduced cross-sectional webs, respective ones of a plurality of cantilevered teeth extend from associated ones of the reduced cross-sectional webs to form the arcuate outer portion, each of the first and second end portions having an end relief thereon defined by a relief surface, the relief surface having a length, that intersects both the curved surface of the arcuate inner mounting portion and respective first or second end portions of the arcuate segment, a gap defined by the relief surface has a spacing between the end of the segment and the curved surface of the arcuate inner mounting portion that is smaller than the length of the relief surface.