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:
Jun. 07, 2005
Filed:
Oct. 07, 2002
Applicant:
Tong-hsueh Lee, Taipei, TW;
Inventor:
Tong-Hsueh Lee, Taipei, TW;
Assignee:
Lite-On Technology Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F001/16 ;
U.S. Cl.
CPC ...
Abstract
A keyswitch for keyboard of notebook computer comprises a keycap; a base arranged below the keycap and having two protuberances thereon; and a lever mechanism. The lever mechanism has a plurality of top ends connected to the keycap and a plurality of lower ends connected to the base. The lever mechanism has two projections located on lower lateral edges thereof and corresponding to the protuberances. During a downward stroke of the keycap, the projections of the lever mechanism will be in contact with the protuberances, whereby the stability of the keyswitch will be enhanced.