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:
Feb. 23, 2010
Filed:
Feb. 09, 2007
Applicants:
Yu-chih Cheng, Taipei, TW;
Cheng-wen Wang, Taipei, TW;
Inventors:
Yu-Chih Cheng, Taipei, TW;
Cheng-Wen Wang, Taipei, TW;
Assignee:
Primax Electronics Ltd., Taipei, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mouse device includes a mouse main body, a roller, a rolling shaft and a switching mechanism. The roller is disposed within the mouse main body and partially protruded from the mouse main body. The rolling shaft is sheathed by the roller and has plural saw-toothed structures on the periphery thereof. The witching mechanism includes a metallic piece stand a first resilient element, a metallic piece, an indentation, a push rod and a fixing hook. By means of the switching mechanism, the mouse device is operated in a clicking-feel-imparting mode or a clicking-feel-lacking mode.