Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Liang-Ta Yeh0
Date of Patent
March 8, 2011
0Patent Application Number
119847280
Date Filed
November 21, 2007
0Patent Primary Examiner
Patent abstract
The present invention provides a key switch with an exhaust structure, which includes a keycap having a top surface and an inner surface with a cavity and an elastic member. The elastic member includes a protrusion and an elastic body. The protrusion is coupled with the inner surface of the keycap. A gas channel is formed between the cavity of the keycap and the protrusion of the elastic member. When an external force is applied to the top surface of the keycap to compress the elastic body, the gas within the elastic member can be exhausted through the gas channel of the elastic member.
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