| 摘要 |
<p>PROBLEM TO BE SOLVED: To ensure stable operability of a key top while increasing the key top as much as possible by eliminating flanges on the key top and pusher sides.SOLUTION: A key switch 12 is provided inside a through-hole 11 for a first key of a housing 3 and a pusher 14b that presses the key switch 12 is provided on the through-hole 11 for a first key. A first key top 14 is integrally molded or connected on the pusher 14b. In a state where the first key top 14 and the pusher 14b are attached from the outside of the housing 3, a coming-off prevention member 16 extending from the inner surface of the through-hole 11 for a first key is inserted into an engaging hole 15 provided on one of them.</p> |
