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:
Jan. 31, 2017
Filed:
Aug. 11, 2011
Bernd Gentner, Ellwangen/Pfahlheim, DE;
Thomas Moedinger, Alfdorf, DE;
Andreas Pregitzer, Ellenberg/Krassbronn, DE;
Bernd Gentner, Ellwangen/Pfahlheim, DE;
Thomas Moedinger, Alfdorf, DE;
Andreas Pregitzer, Ellenberg/Krassbronn, DE;
TRW Automotive GmbH, , DE;
Abstract
A drive wheel for a belt tensioner is adapted to be coupled to a belt reel and includes an external tooth system including plural teeth distributed along the circumference. The teeth are inclined in a first circumferential direction and/or the teeth have at least one end face facing away from the central axis of the drive wheel and being inclined in a first circumferential direction and/or the clearances between neighboring teeth are not symmetrical with respect to planes defined by radial and axial directions. The teeth have no symmetry with respect to planes extending tangentially relative to the circumferential direction.