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. 05, 2007
Filed:
May. 16, 2002
Applicant:
Lawrence J. Lunzer, St. Louis Park, MN (US);
Inventor:
Lawrence J. Lunzer, St. Louis Park, MN (US);
Assignee:
Graco Minnesota Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrostatic spray gun () having an air powered alternator-turbine () with a rotating impeller () therein mounted in bearings () is provided with bearings () which are coated with a solvent resistant material. This coating is provided on all surfaces of the bearing () except for the inner diameter (A) which contains the impeller (). This construction prevents leaching of the oil out of the bearing () and into the airstream and also is resistant to paint should the spray gun () become immersed in such.