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:
Dec. 14, 2010
Filed:
Nov. 27, 2007
Manfred Wilhelm, Gerhardshofen, DE;
Horst Adel, Rochester Hills, MI (US);
Scott Ribey, Port Elgin, CA;
Fred Seebeck, Royal Oak, MI (US);
Scott Thompson, Warren, MI (US);
Manfred Wilhelm, Gerhardshofen, DE;
Horst Adel, Rochester Hills, MI (US);
Scott Ribey, Port Elgin, CA;
Fred Seebeck, Royal Oak, MI (US);
Scott Thompson, Warren, MI (US);
Schaeffler Technologies GmbH & Co. KG, Herzogenaurach, DE;
Abstract
Tensioning device () for a traction element drive, such as a belt or chain drive, with a tensioning arm (), which can pivot relative to a body () about a pivot axle () and on whose distal end a roller () supported rotatably is arranged for tensioning the traction element, for the purpose of which there is a torsion spring () acting between the pivot axle () of the tensioning arm () and the body (), and the pivot axle () is supported so that it can slide by at least one radial-bearing arrangement () and at least one axial-bearing arrangement (), wherein the axial-bearing arrangement () comprises a friction disk () arranged concentric to the pivot axle (), wherein the friction disk () has an axial stop surface (), which comprises at least one radial circumferential key groove () and that at least one radial circumferential friction spring, which extends into the key groove (), is constructed in the surface adjacent to the stop surface () of the friction disk ().