| 摘要 |
PROBLEM TO BE SOLVED: To provide a key switch structure preventing s rotating fulcrum part or a sliding part of a link mechanism or a holder mechanism from being fixed by spilt liquid, and maintaining pressing feeling of a key top in an excellent state. SOLUTION: A movable plate 118 moving up and down together with the key top 111 is provided at a lower part of the key top 111, and a sheet-shaped elastic member 119 is provided between the key top 111 and the movable plate 118. A rotating support part 218d supporting an end of first linking member 112 in free rotation and a slide supporting part 218e supporting an end of a second linking member 113 in free rotation and movement in a horizontal direction are provided at a rear face of the movable plate 118. Each sheet-shaped elastic member 119 has a diaphragm part 119b matched to the shape of the movable plate 118, to be arranged at a whole keyboard device. COPYRIGHT: (C)2009,JPO&INPIT
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