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:
Jun. 26, 2001
Filed:
Dec. 16, 1999
Uwe Abraham, Recklinghausen, DE;
Alexander Zernickel, Herzogenaurach, DE;
Peter Jennes, Cologne, DE;
INA Walzlager Schaeffler oHG, , DE;
Abstract
The invention concerns a centering device for steering valves of automotive vehicles and is characterized in that a needle roller bearing (,) is arranged between the drive shaft (,) and the valve bushing (,), said needle roller bearing (,) having an outer bearing ring (,) which is configured as a thin-walled sleeve which comprises, in at least one peripheral section, an elastically yielding raceway convexity (,) deviating from the circular shape, and said peripheral section comprises an angular groove (,) which is situated radially opposite an angular groove (,) disposed in an associated portion of the drive shaft (,). The needle roller bearing (,) of the invention assures a fine centering to the hydraulic center of the steering valve.