Input device with click button
AssigneePrimax Electronics Ltd.
InventorA-Ming Chang
Life of this patent
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Abstract
A button-type input device includes an upper cover, a base, a click button, a circuit board, a tactile switch, a first lever, and a second lever. The click button has a pressing part. The tactile switch is mounted on the circuit board, and has a salient. The first lever is arranged between the pressing part of the click button and the salient of the tactile switch. An end of the first lever is served as a first fulcrum. The second lever is arranged above the first lever and between the pressing part of the click button and the salient of the tactile switch. An end of the second lever is served as a second fulcrum. The second fulcrum is opposite to the first fulcrum. A downward force of the pressing part acting on the first lever is adjustable when the second lever is moved with respect to the base.
Claims13
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.
Dependencies are inferred from the claim text.