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:
Aug. 03, 2004
Filed:
Nov. 15, 2002
Applicant:
Inventors:
Johannes Lang, Oberreichenbach, DE;
Stefan Willared, Erlangen, DE;
Klaus Scharinger, Gauchsdorf, DE;
Assignee:
INA-Schaeffler KG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/04 ;
U.S. Cl.
CPC ...
F04B 1/04 ;
Abstract
In an eccentric bearing arrangement for a pump shaft ( ) comprising an eccentric ring ( ) that is fixedly attached thereto, and further comprising a needle roller bearing that is arranged on an outer peripheral surface of the eccentric ring, a stop washer ( ) is retained in a circumferential groove ( ) of the needle roller bushing ( ) and is surrounded radially by the adjoining flange ( ) of the needle roller bushing ( ), and the stop washer ( ) comprises an axially inward open annular groove ( ) in which the cage ( ) is guided.