Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1999-11-10
2000-12-26
Gellner, Michael L.
Electricity: circuit makers and breakers
Electric switch details
Actuators
H01H 500
Patent
active
061663425
ABSTRACT:
An improved positioning structure of pushbutton in keyboard (2) comprises a base, a printed circuit board (PCB) attached on the base having a plurality of pivot-jointing portions protrusively disposed on its surface for defining a plurality of enclosed assembly-jointing sections, a link (bridge) disposed at the assembly-jointing section having a movable shaft axially jointed with the pivot-jointing portion, an elastomer arranged on the link, and a key cap disposed on the elastomer being coupled with a positioning shaft at one end of the link. By assembling the abovesaid components, a waterproof and thinner keyboard at lower cost is realizable.
REFERENCES:
patent: 5438177 (1995-08-01), Fagan
Gellner Michael L.
Nguyen Nhung
Shin Jiuh Corp.
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