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:
Oct. 14, 1997
Filed:
Mar. 05, 1996
Applicant:
Inventors:
Brian Michael Chrestoff, Magnolia, TX (US);
Robert Henry Ash, Jr, Humble, TX (US);
Assignee:
FMC Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92 71 ; 91499 ; 417269 ; 74 60 ; 384121 ; 384909 ;
Abstract
In a swashplate style pump a cam follower that interfaces the pump pistons and the swashplate cam is a ring of material. This ring of material will be provided with a bearing surface and a piston contacting surface having the piston contacting surface provided with piston receiving elements.