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公开(公告)号：US20230069634A1
公开(公告)日：2023-03-02
申请号：US17822621
申请日：2022-08-26
Applicant: TOTO LTD.
Inventor： Hideki TANIMOTO , Koki SHINOHARA , Kenji HATAMA , Makoto ABE , Seika TATSUOKA
Abstract: The present invention provides a flush water tank device (4) that supplies flush water to an upper and lower spout port of a flush toilet (2) including; a flush water tank (10); a discharge valve (12); a first on-off valve (19) that performs switching between ejection and stopping of the flush water from the upper spout port; a first on-off valve driving mechanism (16) that is moved from a stopped position to an ejection position based on an user operation; a biasing mechanism (17) that causes the first on-off valve driving mechanism to move to the stopped position; a holding mechanism (20) that holds, at the ejection position, the first on-off valve driving mechanism at the ejection position against the bias force; and a releasing mechanism (21) that releases the holding of the first on-off valve driving mechanism, using the flush water flowing out from the first on-off valve.
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公开(公告)号：US20230065471A1
公开(公告)日：2023-03-02
申请号：US17822592
申请日：2022-08-26
Applicant: TOTO LTD.
Inventor： Hideki TANIMOTO , Koki SHINOHARA , Kenji HATAMA , Seika TATSUOKA
Abstract: The present invention provides a flush water tank device (4), including: a flush water tank (10); a discharge valve (12) that causes the lower spout port to eject the flush water by switching between discharge and stopping of the flush water; a water pressure driving mechanism (14) that drives the discharge valve with a water supply pressure; a first on-off valve (19) that switches between water ejection and stopping of the flush water; a second on-off valve (18) that switches between water supply and stopping of the flush water to the water pressure driving mechanism; and a delay valve opening mechanism (21) that causes the second on-off valve to open with a delay of predetermined time after water ejection from the upper spout port is started, using a part of the flush water introduced via the first on-off valve, to supply the flush water to the water pressure driving mechanism.
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公开(公告)号：US20230061790A1
公开(公告)日：2023-03-02
申请号：US17890297
申请日：2022-08-18
Applicant: TOTO LTD.
Inventor： Yusuke Tone , Masaaki Momoe , Eiji Shiohara
IPC: E03D11/02
Abstract: A flush toilet includes: a toilet body; a function unit arranged in a rear part of the toilet body; a panel member covering a side surface of the function unit and including a protruding part protruding toward the toilet body; and a holding part causing the toilet body and the panel member to hold to each other by magnetic force. The toilet body includes: a reception part arranged under the protruding part and receiving the protruding part in a state where the panel member is attached to the toilet body; and a protrusion part extending upward from the reception part. When the panel member is attached to the toilet body, the protrusion part is in a position where at least a part of the protrusion part is overlapped with the protruding part in a rear view when the toilet body is viewed from behind.
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公开(公告)号：US11572682B2
公开(公告)日：2023-02-07
申请号：US17669407
申请日：2022-02-11
Applicant: TOTO LTD.
Inventor： Hideaki Kashimura , Hiroki Tanaka , Kenji Watanabe , Satoshi Takano , Yoshikatsu Adachi , Koichi Motooka , Yuki Hayashi
Abstract: A flush toilet apparatus includes a toilet body that includes a rim water spout port, a tank that stores washing water, a rim side water supply channel that supplies washing water to the rim water spout port, a tank side water supply channel that supplies washing water to the tank, a flow channel switching part that adjusts an amount of washing water that is supplied to one or both of the rim side water supply channel and the tank side water supply channel, and an electrical power failure detection part that detects electrical power failure, wherein, in a case where electrical power failure is caused when washing water is supplied to the tank side water supply channel, the flow channel switching part decreases washing water that is supplied to the tank side water supply channel and increases washing water that is supplied to the rim side water supply channel.
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公开(公告)号：US20230017857A1
公开(公告)日：2023-01-19
申请号：US17280675
申请日：2021-03-01
Applicant: TOTO LTD.
Inventor： Yui NODA , Saori UKIGAI , Yuya SUZUKI
Abstract: A part includes a base material, a colored layer on the base material, and a surface layer on the colored layer, wherein the colored layer contains Zr, and optionally, C and/or N, a ratio (HZr oxide/HZr) of a peak height derived from Zr oxide (HZr oxide) to a peak height of Zr (HZr) at an interface of the colored layer on the side of the surface layer is more than 0 and less than 4.5, the interface is a point where Zr is detected by sputtering the part from the side of the surface layer with an XPS depth direction analysis, and the ratio (HZr oxide/HZr) at a point where Ar sputtering is performed for 5 minutes from the interface of the colored layer on the side of the surface layer with the XPS depth direction analysis is 0 to less than 3. The surface layer is water-repellent and exhibits a sputtering time of 5 minutes or less
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Patent Agency Ranking
公开(公告)号：US11555304B2
公开(公告)日：2023-01-17
申请号：US17016422
申请日：2020-09-10
Applicant: TOTO LTD.
Inventor： Takumi Tsuchitani , Kenichi Nakamura , Yoshikazu Nakano
IPC: E03D11/08
Abstract: A flush toilet according to an embodiment includes a bowl part and a water storage part. The bowl part receives waste. The water storage part is formed on a bottom of the bowl part and is connected to a discharge channel. A first region that is connected to a discharge channel and a second region that is located on a front side of the first region are formed in the water storage part. A curvature of a curved surface of the water storage part that forms the first region in upward and downward directions is different.
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公开(公告)号：US20220396944A1
公开(公告)日：2022-12-15
申请号：US17804899
申请日：2022-06-01
Applicant: TOTO LTD.
Inventor： Katsuya NAGATA , Yuki KO , Junki HAMADA
IPC: E03D9/08
Abstract: According to the embodiment, a sanitary washing device includes a casing, a nozzle, and a nozzle drive unit. The nozzle drive unit advances and retracts the nozzle between a storage position and an advanced position. The nozzle drive unit includes a supporter, a gear, and a cable rack. The supporter includes a rail allowing the nozzle to slide. The gear applies a drive force to advance and retract the nozzle. The cable rack is connected with the nozzle and meshes with the gear. The cable rack includes a nozzle connection part connected with the nozzle. The gear and the cable rack mesh at a meshing part. The meshing part is positioned at a same position in a longitudinal direction as the nozzle connection part or further frontward than the nozzle connection part when the nozzle is at the storage position.
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公开(公告)号：US11512458B2
公开(公告)日：2022-11-29
申请号：US17001897
申请日：2020-08-25
Applicant: TOTO LTD.
Inventor： Tomoki Baba , Satoshi Shimizu , Takuma Kawasaki
IPC: B24C1/10 , B32B15/00 , E03C1/18 , C23C28/00 , B24C1/06 , C23C28/02 , B32B15/18 , B32B15/01 , B32B15/04 , E03C1/04 , B32B15/20 , C23F17/00
Abstract: According to one embodiment, a wet-area device includes a main part, a first layer, and a second layer. The first layer is provided on an outer surface of the main part. The second layer is provided on an outer surface of the first layer. A hardness of the second layer is greater than a hardness of the first layer. The first layer includes a first unevenness at a side of the outer surface of the first layer. The first unevenness includes a plurality of recesses and a plurality of protrusions. The second layer includes a second unevenness at a side of an outer surface of the second layer. The second unevenness includes a plurality of recesses and a plurality of protrusions. The second unevenness is arranged along the first unevenness. An average height of the first unevenness is less than an average length of the first unevenness.
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公开(公告)号：US11505932B2
公开(公告)日：2022-11-22
申请号：US17353859
申请日：2021-06-22
Applicant: TOTO LTD.
Inventor： Hideaki Kashimura , Hiroki Tanaka
Abstract: A water supply mechanism includes a switching part that executes switching between water supply and water shut-off, a manual operation valve on the switching part that is capable of a manual operation thereof, and a pushing member that pushes the manual operation valve to provide a valve-closed state. The manual operation valve is pulled in a direction opposite to a pushing direction of the pushing member to provide a valve-opened state. The manual operation valve includes a plunger, an external cylinder member that encloses the plunger, a first engaging point in the external cylinder member, and a fixation part in the external cylinder member that fixes the plunger in the valve-closed state or the valve-opened state. The plunger moves beyond the first engaging point as the manual operation valve is pulled, and is fixed in the valve-opened state as a pull of the manual operation valve is released.
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公开(公告)号：US11486123B2
公开(公告)日：2022-11-01
申请号：US17411135
申请日：2021-08-25
Applicant: TOTO LTD.
Inventor： Yusuke Tone , Shu Kashirajima
Abstract: A flush toilet includes a toilet main body and a tank device. The tank device includes a storage tank, and a water supply unit configured to supply flush water to the storage tank. The storage tank includes a first upper surface including a water passage port through which the flush water supplied from the water supply unit flows into the storage tank, a second upper surface that is lower than the first upper surface, and a third upper surface that is provided between the first upper surface and the second upper surface and that is lower than the second upper surface. The storage tank further includes an air vent unit that is provided at the second upper surface and that is configured to purge air from the storage tank.
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