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:
Nov. 05, 2002
Filed:
Feb. 02, 2001
Applicant:
Inventors:
James L. Davis, Jackson, MI (US);
Robert H. Lazebnik, Jackson, MI (US);
Stanley J. Riske, Hanover, MI (US);
Assignee:
Airmaster Fan Company, Jackson, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 5/300 ;
U.S. Cl.
CPC ...
F04B 5/300 ;
Abstract
A barrel fan for the heavy duty circulation of air at the floor level consisting of a cylindrical tubular housing having a guarded rotating propeller blade therein. The blade is driven by a belt connected to an electric motor located on the lower exterior portion of the housing preferably shielded by a skirt in ventilating communication with the housing interior for motor cooling purposes. The motor is pivotally mounted and a spring interposed between the motor and housing maintains the tension within the belt.