The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2003
Filed:
Jun. 11, 2001
Jeffrey E. Miller, Auburn, IN (US);
Auburn Clutch Co., Inc., Garrett, IN (US);
Abstract
A torsional vibration dampening assembly includes a hub having a radially outwardly extending flange with a plurality of openings formed therethrough. A pair of cover plates are supported on the hub for rotation relative thereto, each having a corresponding plurality of openings formed therethrough. A first stage vibration damper, including an annular central damper element having inner and outer rings secured thereto, extends between the second cover plate and the hub. A second stage vibration damper includes a spring damper assembly provided in each of the openings. Each of the spring damper assemblies includes a coiled spring having ends that react against first and second end caps. A movement restraining structure is provided for restraining the end caps from moving freely relative to one another under the urging of the spring. A hollow cylindrical isolation sleeve is disposed about each of the springs. The isolation sleeves prevent the springs from directly engaging the first and second cover plates and the hub during use, thus lowering the amount of noise that is generated during use of the torsional vibration dampening assembly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile