| 摘要 |
PROBLEM TO BE SOLVED: To provide a water drainage socket capable of multilaterally coping with types of toilet stools to be installed and a situation of installation site. SOLUTION: When a main member 71 engaged in horizontal grooves 82c, 82r is rotated in a counterclockwise direction by a force exceeding a fixed value, four engaging pieces 89a, 89p get over a projecting part 81 and move to positions of vertical grooves 82b, 82q. Consequently, an engaging condition of four engaging pieces 89a, 89p is released so that the main body member 71 can move vertically along the vertical grooves 82b, 82q. When the main body member 71 is moved vertically, a height from a floor surface FL of the water drainage socket 60 is set to match with a height from the floor surface FL to a terminal of a descent passage 33, and the main body member 71 is rotated in a clockwise direction by a force exceeding a fixed value, four engaging pieces 89a, 89p are again engaged in engaging parts 82a, 82p to fix a position of the main body member 71 after the height is adjusted.
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