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.

Date of Patent:
Nov. 16, 1999

Filed:

Aug. 05, 1997
Applicant:
Inventors:

Nam-Seon Lee, Kwangju, KR;

Jong-Soo Choi, Taejeon, KR;

Kie-Yong Lee, Kwangju, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415206 ; 4161 / ; 416188 ; 416195 ; 4162 / ; 4162 / ; 403263 ; 403326 ;
Abstract

A motor fan for a cleaning apparatus that creates the suction caused by a rotor in a suction device mounted in the cleaning apparatus such that foreign materials are drawn therein has a fan member coupled to the rotor and is provided with a plurality of curved fins thereon and which fins cause the air in a collection compartment to pass through a suction inlet by the suction when the rotor is rotated, and to discharge the sucked air outside a body through outlets and an exhaust outlet. A reinforcing member is provided and is closely engaged with a rear surface of the fan member, and which reinforcing member insertedly receives a shaft of the suction device and firmly is tightened by a nut. The reinforcing member is provided with a hub and a hole is provided in the hub for mounting the reinforcing member on a screw portion of the shaft, and further has a front surface provided with a plurality of bosses thereon, and the bosses are such that the reinforcing member is not separated from the fan member when the fan spins at high speed.


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