| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water bidet allowing continuous adjusting of washing intensity and the quantity of jet water. SOLUTION: A washing nozzle 10 is provided with a cylinder 12; a nozzle body 14; a nozzle tip 16 protrudable from the tip in the nozzle body 14; a piezoelectric displacement element 30 serving as an advancing/retreating device for advancing/retreating the nozzle tip 16; and a coil cord 34 for supplying voltage to the element 30. The tip upper face of the nozzle tip 16 is provided with a jet 24 formed of a longitudinally long slit, and the overlap area of the jet 24 and nozzle body 14 is adjusted by the advance/retreat of the nozzle tip 16 to control an opening area for jetting hot water.
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