Power transmission chain having links with lateral spacing elements 

Patent No. 7,048,665

Issued: May 23, 2006
Filed: May 29, 2003

Inventors: Ledvina; Tim J. (Groton, NY); Bubel; Dennis J. (Ithaca, NY); Michaels; Mark E. (Homer, NY); Giovannini; Mark A. (Seneca Falls, NY); Butterfield; Roger P. (Trumansburg, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI) 


A chain having a plurality of inside links and guide links. The plurality of inside links each have a pair of apertures and are interleaved and connected to form rows. The plurality of guide links each have a pair of apertures and are placed outside of alternate rows of interleaved inside links to form guide rows. Connecting pins are received in the apertures and extend across the rows of the chain securing the links together. Spacing elements are found on opposite side of the chain, specifically between the guide links and the adjacent outermost inside links. The spacing elements act to maintain a spaced relationship between each of the guide link sand adjacent outermost inside links. At least one of the spacing elements on one side of the chain is a spring link holding the inside links in compressive frictional contact therebetween.

REFERENCE TO RELATED APPLICATIONS

This is a continuation-in-part of application Ser. No. 10/132,485, filed Apr. 25, 2002 now U.S. Pat. No. 6,595,882, entitled "Power Transmission Chain Having Links With Lateral Spacing Elements", which is a divisional patent application of application Ser. No. 09/506,349, filed Feb. 17, 2000, entitled "Power Transmission Chain Having Links With Lateral Spacing Elements," now U.S. Pat. No. 6,406,394, which claims benefit from provisional application No. 60/131,413 filed on Apr. 28, 1999. The aforementioned application(s) are hereby incorporated herein by reference.


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