| 摘要 |
PROBLEM TO BE SOLVED: To provide a see-saw rocker key capable of taking three kinds of conduction states, with the small number of components, and of a simple structure.SOLUTION: The see-saw rocker key 1 is provided with a key top 20 supported in free rocking by a rotating fulcrum 11, and a pair of right and left two-step contact rubber switches 50 pressed down by each of end parts of the key top 20. Each rubber switch 50 is provided with a push button part 55 pressed by the end part of the key top 20, and a first skirt part 57 supporting the push button part 55 in free displacement. The push button part 55 includes a first protruded part 61 protruded downward, a second skirt part 63 supporting the first protruded part 61 in free displacement, and a second protruded part having a movable contact 73 formed at an underside, with the underside located further upward in a pressing direction from that of the first protruded part 61. The switch 1 can take three states of neutral, left switch on, and right switch on, in accordance with rocking states of the key top 20. |
