Tension-reducing random sprocket

Patent No. 8,066,602

Issued: November 29, 2011
Filed: December 18, 2009
Term Extension: 10 days

Inventor: Todd; Kevin B. (Freeville, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI)

A sprocket is provided having a plurality of teeth around its circumference. Adjacent teeth are separated by roots each having a root radius defined as the distance between the center of the sprocket and a point along the root closest to the sprocket center in a radial direction. In one aspect of the invention, the sprocket comprises at least two different root radii arranged in a pattern effective to redistribute tensions imparted to a chain by the sprocket at one or more predetermined sprocket orders.

Reference to Related Applications

This application is a continuation of prior application Ser. No. 11/456,496, filed Jul. 10, 2006 now U.S. Pat. No. 7,654,925, which is a continuation of prior application Ser. No. 09/993,531, filed Nov. 6, 2001, now U.S. Pat. No. 7,125,356 B2, which are hereby incorporated herein by reference in their entirety.

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