公开(公告)号：US12270188B2

公开(公告)日：2025-04-08

申请号：US17931011

申请日：2022-09-09

Applicant: TOTO LTD.

Inventor： Hiroshi Hashimoto ,  Kenichi Nakamura ,  Shinichi Urata ,  Kazunari Yasui ,  Isami Sakaba ,  Yuichi Tsubone ,  Shigeru Okada ,  Satoshi Yamazaki

IPC: E03D11/08 ,  E03D11/13

Abstract: A flush toilet includes a bowl including a waste receiving surface, a rim and a well portion; a water spouting part that spouts flush water toward the bowl; and a water discharge trap including an inlet connected to a lower part of the well portion, the water discharge trap discharging waste in the bowl, the well portion includes a bottom wall formed above and in front of the inlet of the water discharge trap, a side wall formed to surround a periphery of the bottom wall, and a joining portion that joins an outer edge of the bottom wall and a bottom edge of the side wall with a surface having a curvature, and the bottom wall of the well portion includes a concave portion formed to recess downward on left and right sides with respect to a center axis in a left-right direction in a front sectional view.

公开(公告)号：US20240035267A1

公开(公告)日：2024-02-01

申请号：US18226275

申请日：2023-07-26

Applicant: TOTO LTD.

Inventor： Takehiro Minami ,  Hiroshi Hashimoto ,  Isami Sakaba ,  Kazunari Yasui

IPC: E03D11/08

CPC classification number: E03D11/08

Abstract: A flush toilet includes a bowl portion configured to receive waste, a trap portion extending from the bowl portion and configured to discharge the waste received in the bowl portion, a main conduit through which washing water toward the bowl portion flows, a rim communication hole into which the washing water flows from the main conduit, a rim conduit through which the washing water that has flowed in from the rim communication hole flows, and a rim spout configured to supply the washing water flowing through the rim conduit to the bowl portion, wherein the rim spout has a low-flow rate spout that becomes the rim spout when the washing water flowing through the rim conduit is of a low flow rate and a high-flow rate spout that becomes the rim spout when the washing water flowing through the rim conduit is of a high flow rate.