| 摘要 |
PROBLEM TO BE SOLVED: To provide a key switch having a structure that is not damaged easily and can be used stably for a long period.SOLUTION: A key switch device comprises: two link members 40, installed on a support plate 10, and a frame member 60; and a key top 70 installed on the two link members 40. The link members 40 are provided with one arm part 41, the other arm part 42, a connecting part 43, a rotary shaft part 51, a slide shaft part, a connection groove part 53, and a connection shaft part 54. The rotary shaft part 51 is installed by the frame member 60 so as to be rotatable. The slide shaft part is inserted into a guide groove provided in the rear face of the key top 70. When the surface of the key top 70 is pressed, the slide shaft part moves in the guide groove provided in the rear face of the key top 70, and the connection shaft part 54 of the one arm part 41 of the one link member 40 moves in the connection groove part 53 of the other arm part 42 of the other link member 40. |
