| 摘要 |
A flush toilet stool capable of effectively discharging human waste by a washing system utilizing swirl flow without utilizing a strong siphon action. The flush toilet stool (1) is characterized by comprising a bowl part (2) having a human waste receiving surface of bowl shape and a rim part having an upper edge inner wall surface extending inward, a trap pipeline (4) extending in communication with the bottom part of the bowl part so as to discharge the human waste in the bowl part, a first rack part (6) formed along the rim part, a second rack part (8) formed on the human waste receiving surface on the lower side of the first rack part and on the upper side of an initial level of accumulated water, a first water discharge part (10) forming the swirl flow on the human waste receiving surface by discharging water onto the first rack part, a second water discharge part (12) forming a flow agitating flushing water in the bowl part by discharging the water onto the second rack part, and first and second water flow passages (14, 16) for supplying the flushing water to the first and second water discharge parts.
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