| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable wireless unit having waterproofing facility, which can easily perform draining and can surely return to the waterproofing facility after draining. SOLUTION: The portable wireless unit having the waterproofing facility comprises a drain hole 8 at a bottom 4 of a housing 2 and a valve body 9 for sealing the drain hole from the interior side of the housing. The valve body is pushed and pressed to the drain hole with a spring 15 prepared at the interior of the housing. The valve body can be pushed into through the drain hole from the exterior of the housing. By pushing in the valve body, the interior and the exterior of the housing can be penetrated through the drain hole. COPYRIGHT: (C)2009,JPO&INPIT
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