Key button structure
AssigneeAltek Corporation
InventorsChih-Yuan Wu, Tzu-Chih Lin
Life of this patent
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Abstract
A key button is provided for pressing against a metal dome to trigger a signal. The key button structure includes a button cap and a button stem. One tip end of the button stem is in a shape of spherical camber which is in point contact with the metal dome, so that the button stem, when being pressed, is within an effective pressing area of the metal dome to prevent the metal from being permanently deformed and damaged.
Claims2
A key button structure for pressing a metal dome to trigger a signal, comprising a button cap and a button stem extended from the button cap, wherein the tip end is formed in the shape of spherical camber, corresponding to the metal dome.
Dependencies are inferred from the claim text.