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:
Mar. 20, 2001
Filed:
Aug. 03, 1999
Klaus Scharinger, Gauchsdorf, DE;
Bernd Kolbl, Neustadt/Aisch, DE;
Ina Walzlaber Schaeffler oHG, , DE;
Abstract
A radial piston pump comprising a rotating pump shaft (,), one portion (,) of which is connected to an eccentric ring (,) which is arranged rotationally fast thereon, said radial piston pump further comprising a needle roller bearing arranged on an outer peripheral surface of the eccentric ring (,), pump plungers (,) arranged radially of the pump shaft (,) in a star pattern in a pumping housing supported by end faces on the needle roller bearing, the bearing being configured as a self-contained, inseparable assembled unit in which the eccentric ring (,) is arranged within the needle roller bearing between rims (,) of the needle roller bearing which advantageously reduces the axial design space requirement and simplifies assembly.