| 摘要 |
PROBLEM TO BE SOLVED: To provide a toilet seat unit securing a sealing performance, suppressing a sink appearing on the toilet seat surface, and non-impairing its aesthetic appearance. SOLUTION: This toilet seat unit formed of a pair of a toilet seat surface plate 10 and a toilet seat rear plate 11 is provided with single-strip projecting ribs 14 in the internal circumferential part and the outer circumferential part of either one of the toilet seat surface plate or the toilet seat rear plate, and recessed grooves 17 fitted with the projecting ribs in the internal circumferential part and the outer circumferential part of the other. The recessed ribs are provided with a plurality of claw parts 20, the side of the projecting ribs are provided with arch-shaped claw fitting locking parts 21, and the projecting parts and the recessed parts are formed with same-shaped ribs and grooves across the whole circumferences to provide a constitution with no break. Even if liquid sealing material or an elastic body is inserted therein, this constitution can prevent the outflow of the liquid seal and surely push the elastic body to secure the sealing performance; and has no local thick part so as to eliminate the sink appearing on the toilet surface and provide the surface non-impairing the aesthetic appearance. COPYRIGHT: (C)2005,JPO&NCIPI
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