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公开(公告)号：US20170370080A1
公开(公告)日：2017-12-28
申请号：US15626537
申请日：2017-06-19
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Yuuki SHINOHARA
CPC classification number: E03D1/087 , E03D11/08 , E03D2201/30
Abstract: A flush toilet is provided, which can advance timing for startup of a siphon action that discharges waste, and can efficiently discharge waste from a water discharge trap conduit. A flush toilet of the present invention has a bowl section, a water discharge trap conduit connected to a lower portion of the bowl section, and a jet spout port that is opened toward the water discharge trap conduit, in the lower portion of the bowl section, and the jet spout port includes an outlet flow path in which a bottom surface extending toward an outlet of the jet spout port and toward a bowl section bottom surface in the lower portion of the bowl section, and a ceiling surface extending toward the outlet and having an inclination toward an upper direction than an inclination of the bottom surface are formed.
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公开(公告)号：US20180179747A1
公开(公告)日：2018-06-28
申请号：US15853284
申请日：2017-12-22
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Masaaki MOMOE , Yuuki SHINOHARA
Abstract: Disclosed is a flush toilet including: a bowl portion having a waste-receiving surface and a rim; a drain passage; a rim spout section provided in the rim; and a water-conducting passage configured to supply the flush water to the rim spout section. The bowl portion has a front region and a rear region, and the rim spout section includes: a rim water passage formed inside the rim; and the rim spout port formed at a downstream end of the rim water passage. The rim water passage is provided to extend from either one of right and left parts of the rim to the remaining one of the right and left parts of the rim, via a front end of the rim. Further, the rim water passage has, in the front region of the bowl portion, a cross-sectional area constant zone.
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公开(公告)号：US20180135291A1
公开(公告)日：2018-05-17
申请号：US15808394
申请日：2017-11-09
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Masaaki MOMOE , Yuuki SHINOHARA
IPC: E03D11/08
CPC classification number: E03D11/08
Abstract: A flush toilet includes a body including a body inner wall forming the majority of the bowl surface of a bowl and a connecting portion connecting this outside wall and body inner wall; a rim including a rim inner wall forming a portion of the bowl surface, joined to the top end of the body; and a rim spout portion spouting flush water into the bowl. This rim spout portion respectively forms a rim conduit formed by joining a body and a rim, and a rim spout port; the joining surface between the body inner wall forming the rim conduit and the rim inner wall is set to a lower position from the rear side of the bowl toward the front; and the bottom surface of the rim conduit is set to a lower position from the upstream end toward the downstream end of the rim conduit.
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公开(公告)号：US20240287780A1
公开(公告)日：2024-08-29
申请号：US18396264
申请日：2023-12-26
Applicant: TOTO LTD.
Inventor： Yuuki SHINOHARA , Hiroshi HASHIMOTO
Abstract: A flush toilet apparatus including a warm water wash toilet seat. A flush toilet apparatus includes a toilet main body and a warm water wash toilet seat, the toilet main body includes a bowl, a toilet upper surface, and a discharge trap conduit, and the warm water wash toilet seat includes a body part, a wash nozzle, and a toilet seat rotatably mounted to the body part and disposed on the toilet upper surface, to surround the bowl. On opposite ends of the toilet upper surface in a left-right direction, raised parts projected upward are provided, respectively, and the body part of the warm water wash toilet seat is configured to protrude downward from an upper end of each of the raised parts of the toilet main body.
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公开(公告)号：US20170260730A1
公开(公告)日：2017-09-14
申请号：US15450275
申请日：2017-03-06
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Yuki SHIMOKAWA , Masaki KITAMURA , Yuuki SHINOHARA , Masaaki MOMOE
IPC: E03D11/08
CPC classification number: E03D11/08 , E03D9/08 , E03D2201/40
Abstract: A flush toilet includes a bowl having a waste-receiving surface and a rim; the bowl comprises a front region on the front side of a center line extending in the left-right direction and equally dividing the bowl in the front-rear direction, and a rear region on the rear side thereof; whereby on either the left or right side in the front area of the bowl, on the rim, a rim water passageway is formed for passing flush water supplied from a conduit, and a rim spout port is formed, and the rim water passageway comprises: an outside passageway extending from the inlet thereof through the rim interior toward the front; a bent passageway bending inward from the downstream end of this outside passageway; and an inside passageway extending from this bent passageway toward the rear, up to the rim spout port.
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Patent Agency Ranking
公开(公告)号：US20170370081A1
公开(公告)日：2017-12-28
申请号：US15626524
申请日：2017-06-19
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Yuuki SHINOHARA
CPC classification number: E03D1/263 , E03D11/02 , E03D11/08 , E03D11/18 , E03D2201/30
Abstract: A flush toilet is provided, which can enhance discharge performance of waste from an inside of a water discharge trap conduit even with a smaller amount of flushing water, in the flush toilet discharging waste by a siphon action. A flush toilet of the present invention has a bowl section, a water discharge trap conduit, and a jet spout port connected to a lower portion of the bowl section and opened toward the water discharge trap conduit, with an outlet portion bottom surface of an outlet portion thereof and a bottom surface of the bowl section being connected, and a bottom surface of the bowl section forms a curved surface that diagonally inclines more downward than the outlet portion bottom surface from a tip end of an outlet portion bottom surface of the jet spout port.
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公开(公告)号：US20240287782A1
公开(公告)日：2024-08-29
申请号：US18532850
申请日：2023-12-07
Applicant: TOTO LTD.
Inventor： Yuuki SHINOHARA , Hiroshi HASHIMOTO
IPC: E03D11/14
CPC classification number: E03D11/146
Abstract: A wall-mounted flush toilet includes a ceramic toilet main body including a bowl configured to receive waste and a discharge trap having an inlet connected to a lower part of the bowl and configured to discharge waste from within the bowl, the ceramic toilet main body further includes a skirt that covers outer shells of the bowl and the discharge trap from sides of the outer shells and a rear end formed rearward of the skirt and configured to be fixed to a wall, and the rear end includes a firing pedestal that functions as a pedestal grounded during a firing process in a ceramic molding process.
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公开(公告)号：US20240287781A1
公开(公告)日：2024-08-29
申请号：US18419149
申请日：2024-01-22
Applicant: TOTO LTD.
Inventor： Yuuki SHINOHARA , Hiroshi HASHIMOTO , Yuya MIYAKE
IPC: E03D11/14
CPC classification number: E03D11/14
Abstract: A wall-mounted flush toilet includes a toilet main body fixed to a wall; and an illuminating device attached to the toilet main body, the illuminating device being configured to emit light to a floor surface, wherein the toilet main body includes a bowl, a discharge trap having an inlet connected below the bowl to discharge waste in the bowl, a skirt configured to cover sides of each of the bowl and the discharge trap, and a rear wall part formed behind the skirt and fixed to the wall, the toilet main body being disposed above a floor surface, and the illuminating device is provided within an internal space provided behind the lowermost end of the discharge trap and above a lower end of the skirt.
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公开(公告)号：US20220090368A1
公开(公告)日：2022-03-24
申请号：US17476193
申请日：2021-09-15
Applicant: TOTO LTD.
Inventor： Yusuke TONE , Shu KASHIRAJIMA , Yuuki SHINOHARA , Koji SHIBUYA
Abstract: Provided is a tank device capable of restraining splashing of flush water during water supply to suppress a water slapping sound. A tank device for supplying flush water stored therein to a flush toilet comprises: a tank main unit for storing flush water in an internal space 24C thereof defined by an inner wall surface which comprises a transverse surface 27B extending in a transverse direction and a standing surface 27A extending in an up-down direction; and a water supply member 26 for supplying flush water from a water supply port 26A to the internal space of the tank main unit, the water supply member 26 being configured to spout flush water toward the inner wall surface defining the internal space 24C, wherein the tank main unit comprises a flow rectifying portion 46 provided in a region of the inner wall surface to which flush water is spouted, the flow rectifying portion 46 having a convex part 46A and a concave part 46B each formed on the inner wall surface.
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公开(公告)号：US20180135290A1
公开(公告)日：2018-05-17
申请号：US15808365
申请日：2017-11-09
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Masaaki MOMOE , Yuuki SHINOHARA
CPC classification number: E03D11/08 , E03D5/01 , E03D2201/30 , E03D2201/40
Abstract: A flush toilet includes a shelf formed on the top edge of a bowl-shaped waste receiving surface, and a rim forming an inner wall surface rising from the outer edge of the shelf. The bowl includes a front side region and a rear side region, respectively, formed on the front side and the rear side of a center axis extending horizontally in the left-right direction so as to divide the bowl equally in the front-rear direction. The inner wall surface includes an overhang portion protruding toward inside of the bowl obliquely from the bottom end of the overhang portion. The ratio between the overhang amount and the width of the shelf is set smaller than 1.0.
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