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:
Jul. 01, 2003
Filed:
Oct. 05, 2001
Applicant:
Inventor:
Hsin Mao Hsieh, Taipei, TW;
Assignee:
Adda Corporation, Ping-Tung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ; F04B 9/00 ;
U.S. Cl.
CPC ...
F04B 1/700 ; F04B 9/00 ;
Abstract
A cooling fan dust guard has provided on the inner side of fan blades ribs and recess that mutually form an overcut height difference with a bushing opening so to prevent the airflow carrying dust an easy ingression and even keep off the flying dust from entering into the spindle.