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:
May. 07, 2002
Filed:
Jul. 20, 2000
Applicant:
Inventors:
Assignee:
Showa Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 4/900 ;
U.S. Cl.
CPC ...
F04B 4/900 ;
Abstract
In a variable displacement pump for a power steering device of a vehicle, the adapter ring is arranged to be easily engaged with the engagement hole at the pump casing, to improve ease of assembly. The relationship of the adapter ring with the engagement hole reduces vibration and noise. Also, the reduction and deformation qualities of the adapter ring are increased