Long mechanical tensioner with a compliant blade spring

Patent No. 7,597,640

Issued: October 6, 2009
Filed: August 15, 2005

Inventors: Markley; George L. (Montour Falls, NY), Capp; James (Endwell, NY), Wigsten; Mark M. (Lansing, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI) 


A tensioner for imparting tension to a chain having a body, a resilient chain guide element a support member and at least one blade spring. The body contains at least one groove on its surface adjacent to the resilient chain guide for containing a blade spring in compression. The length of the blade spring is less than the length of the support member.

Reference to Related Applications

This application is related to an application filed simultaneously, entitled "PIVOTING MECHANICAL TENSIONER WITH CROSS STRAND DAMPING". The aforementioned application is hereby incorporated herein by reference. The application is also related to application Ser. No. 10/984,450 filed Nov. 9, 2004, entitled "COMPLIANT SNUBBER" and application Ser. No. 10/692,182 filed Nov. 9, 2004, entitled "COMPLIANT CHAIN GUIDE WITH BLADE SPRING". The aforementioned applications are hereby incorporated by reference.


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