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US 6,986,172 B2Granted
Flush toilet
AssigneeToto Ltd.
InventorsMiyahara Hidetaka, Noda Shosaku, Shimbara Noboru, Shibata Shinji, Shinkawa Masahiro, Matsuo Nobusuke
Life of this patent
Estimating the term…
Abstract
A flush toilet comprises a toilet body having a bowl for storing wash water as water seal, first means for supplying the toilet body with pressurized wash water and second means for discharging the wash water substantially horizontally along the upper peripheral portion of the inner surface of the bowl to swirl it along the inner surface of the bowl.
Claims27
A flush toilet comprising:
- a toilet body having a bowl for storing wash water as a water seal and a rim, wherein the bowl includes an inner surface having a lower wet part contacting the water seal and an upper dry part, wherein the upper dry part of the inner surface is provided with an annulus concave extending substantially horizontally at an upper peripheral portion of the inner surface and with an overhang disposed between the annulus concave and the rim;
- first means for supplying the toilet body with pressurized wash water;
- and
- second means for discharging the wash water substantially horizontally along the upper peripheral portion of the inner surface of the bowl to swirl the wash water along the inner surface of the bowl, wherein the second means includes a nozzle directed in parallel with a longitudinal axis of the annulus concave so as to swirl wash water into and in parallel with the annulus concave.
1 more element
A flush toilet comprising:
- a toilet body having a bowl for storing wash water as a water seal;
- first means for supplying the toilet body with pressurized wash water;
- second means for discharging the wash water substantially horizontally along the upper peripheral portion of the inner surface of the bowl to swirl the wash water along the inner surface of the bowl;
- a trap-way extending from the bottom of the bowl;
- and
- third means for discharging wash water to direct wash water to an inlet of the trap-way, wherein the third means makes the discharging wash water swirl in the same direction as the pressurized wash water discharging from the second means.
3 more elements
Dependencies are inferred from the claim text.