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. 10, 2009
Filed:
Apr. 04, 2005
Applicants:
Stanley W. Edwards, Arvada, CO (US);
Loren G. Mcgilvrey, Highlands Ranch, CO (US);
Sheldon Swenson, Arvada, CO (US);
Inventors:
Stanley W. Edwards, Arvada, CO (US);
Loren G. McGilvrey, Highlands Ranch, CO (US);
Sheldon Swenson, Arvada, CO (US);
Assignee:
Sundyne Corporation, Arvada, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separable impeller and inner drive are constructed from different plastics. The inner drive includes a metallic drive ring that receives drive lugs extending from the impeller. A bushing directly supports the inner drive and impeller and maintains extensions from the impeller in engagement with an annular groove in the inner drive.