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:
Jun. 03, 1997
Filed:
Jun. 05, 1995
Applicant:
Inventors:
Ronald E Gilbert, Chardon, OH (US);
David M Masarin, Hinckley, OH (US);
George S Mordue, Ravenna, OH (US);
Assignee:
Metaullics Systems Co., L.P., Solon, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4152161 ; 464179 ; 464181 ;
Abstract
An elongated shaft suited to a molten metal environment which forms a connection between a rotor and an impeller. The shaft being formed with at least one end, in cross-section, having a plurality of rounded side portions with a relatively large radius and rounded corners having a relatively small radius connecting the side portions.