Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ying-Chi Chen0
Ming-Shi Tsai0
Te-Tsai Chuang0
Date of Patent
October 21, 2008
Patent Application Number
10992203
Date Filed
November 19, 2004
Patent Primary Examiner
Patent abstract
A fan and a rotor structure thereof. The rotor structure has a case, an upper linking structure, a lower structure, and a rotating shaft. The case has an opening at the axle center. The upper linking structure has a fixing portion and a threaded portion. The minimum radius of the fixing portion is longer than the radius of the opening. The threaded portion is disposed in the opening. The lower linking structure has a thread corresponding to the threaded portion. The upper linking structure and the lower linking structure is screwed together to secure the case therebetween. The rotating shaft is fixed in the upper linking structure or the lower linking structure.
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