Flush toilet

Patent metadata

Field	Value
Publication number	US-11624178-B2
Application number	US-202217678245-A
Country	US
Kind code	B2
Filing date	Feb 23, 2022
Priority date	Feb 26, 2021
Publication date	Apr 11, 2023
Grant date	Apr 11, 2023

Abstract

A flush toilet in which a comparatively large storage region that stores a functional unit can be formed in a region in more rear side than a bowl of a toilet main body, while improving designability of the whole flush toilet is provided. A toilet main body of a flush toilet includes a skirt and a rear function storage portion, the skirt includes an opening, the opening being formed in a portion of an upper part of an outer wall of the skirt, the opening allowing the rear function storage portion inside the skirt to open toward outside the skirt, and a part of the functional unit stored in the rear function storage portion forms an outer surface to close the opening.

First claim

What is claimed is:

1. A flush toilet which is flushed with flush water to discharge waste, the flush toilet comprising:
a toilet main body made of ceramics and comprising a bowl that receives waste, and a water discharge trap portion wherein an inlet of the water discharge trap portion is connected to below the bowl and the water discharge trap portion discharges waste in the bowl, and
a functional unit that is provided in a rear side more rear than the bowl of the toilet main body and that includes a function of controlling discharging and stopping of flush water to the bowl,
wherein the toilet main body further comprises a skirt that forms an outer wall outside the bowl, and a rear function storage portion that is provided below an upper end of the skirt and in an inner side further inner than the skirt, and that is provided in a region in a rear side more rear than the bowl, and that is available for storing at least a part of the functional unit,
the skirt comprises an opening formed in a portion of an upper part of the outer wall of the skirt, the opening allowing the rear function storage portion inside the skirt to open toward outside the skirt, and
a part of the functional unit stored in the rear function storage portion forms an outer surface to close the opening above a lower end of the opening.

2. The flush toilet according to claim 1 , wherein the functional unit in the rear function storage portion below the opening is disposed on an inner side than further than the outer wall of the skirt, and the functional unit comprises a protruding portion that protrudes from an interior of the rear function storage portion through the opening to outside the opening.

3. The flush toilet according to claim 1 , wherein the functional unit comprises a cover portion that forms the outer surface to close the opening, and the cover portion comprises an inner part that extends from the outer surface to close the opening to inside of the outer wall of the skirt that forms the opening.

4. The flush toilet according to claim 3 , wherein the cover portion further comprises a lower part that extends from the inner part to a lower side of a downward facing surface of the functional unit.

5. The flush toilet according to claim 1 , wherein the opening is formed in the outer wall facing rearward in the skirt.

Assignees

• Toto Ltd

Inventors

• Eto Yusuke
• Maruyama Takahiro

Classifications

• E03D3/00

  Flushing devices operated by pressure of the water supply system {flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing} · CPC title

• E03D1/26

  Bowl with flushing cistern mounted on the rearwardly extending end of the bowl (shape or material of the cistern E03D1/01; constructional features of the bowl E03D11/02 - E03D11/12) · CPC title

• E03D11/13

  Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls {, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing} · CPC title

• E03D5/10

  operated electrically (E03D5/01, E03D5/12 take precedence), {e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl} · CPC title

• E03D11/08

  Bowls with means producing a flushing water swirl · CPC title