| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a push button device having a dust-proof and drip-proof mechanism capable of preventing dusts and liquid from entering inside a housing, and also securing a click feeling of a bush button operation. <P>SOLUTION: In a push button device having a dust-proof and drip-proof mechanism, a shaft part of a push button cover, in which the shaft part is formed, is inserted in a cylindrical through hole that is formed of push button rubber and whose periphery is surrounded by a skirt part, and a tip of the shaft part is guided by a shaft guide part of a push button rubber presser. The push button rubber is pressure-welded to an exterior cover by the bush button rubber presser, so as to secure both dust-proof and drip-proof performance of the push button device. <P>COPYRIGHT: (C)2013,JPO&INPIT |
