KEY SWITCH DEVICE, KEYBOARD, AND ASSEMBLY METHOD FOR KEY SWITCH DEVICE
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United States of America Patent
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app pub date -
May 12, 2015
filing date -
Aug 1, 2014
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Abstract
A key switch device includes: a key top; a pair of link members that vertically raises and lowers the key top in conjunction with each other; a frame member that includes a leg portion and a through hole, and rotatably fixes the pair of link members; a housing panel that includes a first surface to which the pair of link members and the frame member are fixed, a second surface that is a back side of the first surface, a through hole into which the leg portion is inserted, a through hole which the dome rubber penetrates, and a projection-shaped screw hole formed on the second surface; a membrane sheet on which the dome rubber is mounted, and that is opposite to the second surface; a support plate opposite to the second surface via the membrane sheet, and a screw fastened to a screw hole.
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