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:
Jan. 30, 2001
Filed:
Nov. 05, 1999
Gino Hu, Taipei, TW;
Silitek Corporation, Taipei, TW;
Abstract
A keyswitch for notebook computer comprises at least a keytop, a rubber cone, a base, a bottom plate below the base and two levers arranged in scissors form between the keytop and the base. The upper ends of the two levers are connected to the keytop and the lower ends of the two levers are provided with pivotal shafts. The pivotal shafts on the both lower ends of at least one lever is projecting from an outer wall of the lever such that a dent is formed between a rear wall of the pivotal shaft and a bottom end of the lever. The base has a plurality of through holes corresponding to the pivotal shafts on the both lower ends of the levers and the pivotal shafts are pivotally engaged with the through holes. A clamping plate arranged atop each the through hole. The base has a hollow accommodating space below the two levers. The bottom plate has a plurality of through holes corresponding to the pivotal shafts on the both lower ends of the levers. The dents are fitted to an inner edge of the through holes on the bottom plate. The keyswitch of the present invention has stable movement and is not shaken during operation.