Invention Grant
US06179497B2 Keyswitch for notebook computer 有权
笔记本电脑的钥匙开关

  • Patent Title: Keyswitch for notebook computer
  • Patent Title (中): 笔记本电脑的钥匙开关
  • Application No.: US09434302
    Application Date: 1999-11-05
  • Publication No.: US06179497B2
    Publication Date: 2001-01-30
  • Inventor: Gino Hu
  • Applicant: Gino Hu
  • Main IPC: B41J516
  • IPC: B41J516
Keyswitch for notebook computer
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.
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