Patent ID: 8363013

Claim:
A button-type input device comprising: an upper cover; a base; a click button having a pressing part; a circuit board disposed within a housing collectively defined by said upper cover, said base and said click button; a tactile switch mounted on said circuit board, and having a salient; a first lever arranged between said pressing part of said click button and said salient of said tactile switch, wherein an end of said first lever is served as a first fulcrum; and a second lever arranged above said first lever and between said pressing part of said click button and said salient of said tactile switch, wherein an end of said second lever is served as a second fulcrum, said second fulcrum is opposite to said first fulcrum, and said second lever is movable with respect to said base, wherein a downward force of said pressing part acting on said first lever is adjustable when said second lever is moved with respect to said base.