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:
Apr. 17, 2001
Filed:
Jan. 19, 2000
Applicant:
Inventors:
Wolfgang Schuller, Sachsenheim, DE;
Ursula Eckstein, Schwieberdingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 3/910 ; F04B 5/312 ;
U.S. Cl.
CPC ...
F04B 3/910 ; F04B 5/312 ;
Abstract
A piston pump with a piston that is displaceable in a bush. In order to keep the piston in the bush for retention therein a hollow-cylindrical filter, mounted on the bush, with yielding fingers that engage a groove of the piston keep the piston in the bush until the bush has been inserted into a pump housing.