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. 08, 2009
Filed:
May. 20, 2005
Walter Reist, Hinwil, CH;
Walter Reist, Hinwil, CH;
WRH Walter Reist Holding AG, Ermantingen, CH;
Abstract
A roller element () has a central body () and a roller unit (). The roller unit () is mounted so as to circulate on a non-circular race () about the central body () and so as to be mobile with respect to the central body () by the rolling movement of the rollers () of the roller unit () on the central body (). The rollers () are provided on the exterior of the roller unit () for rolling off on a rigid counter body (). The roller element () is provided with a drive means () which engages with the roller unit () and drives the same in relation to the central body (). The roller unit () is directly driven by engagement of the drive () between the rollers () and is pulled or pushed on the race () about the central body ().