Flush toilet

Patent metadata

Field	Value
Publication number	US-2016273204-A1
Application number	US-201415028726-A
Country	US
Kind code	A1
Filing date	Oct 8, 2014
Priority date	Nov 18, 2013
Publication date	Sep 22, 2016
Grant date	—

Abstract

A flush toilet enabling easy cleaning besides capable of preventing dirty water from flowing out is provided. In the flush toilet, a toilet seat is placed on a rim of a toilet body with the toilet seat free to open and close on a pivot axis on a side of a rear end thereof. A projection rib for preventing dirty water from flowing out is formed on a front upper face of the rim so that it protrudes from an outer periphery of the rim. The projection rib is provided so that it is outside a front periphery of the toilet seat when the toilet seat is in closing state.

First claim

1 . A flush toilet, configured so that a toilet seat is placed on a rim of a toilet body with the toilet seat free to open and close on a pivot axis that is on a side of a rear end thereof, wherein
a projection rib for preventing dirty water from flowing out is formed on a front upper face of the rim so that it protrudes from an outer periphery of the rim, and the projection rib is provided so that it is outside a front periphery of the toilet seat when the toilet seat is in closing state.

2 . The flush toilet of claim 1 , wherein the projection rib is combined smoothly with a flat area of the front upper face of the rim via a curved face.

3 . The flush toilet of claim 1 , wherein a slope is formed from the flat area of the front upper face of the rim so as to be inclined inside the toilet body.

4 . The flush toilet of claim 2 , wherein a slope is formed from the flat area so as to be inclined inside the toilet body.

5 . The flush toilet of claim 1 , wherein the toilet seat is formed with a projection part that is on a front lower face of the toilet seat and that protrudes inside an inner periphery of the rim when the toilet seat is in closing state.

6 . The flush toilet of claim 1 , wherein
the projection rib are elongated from the front upper face of the rim to a proximity of a rear part of the rim along the outer periphery of the rim, and lower step parts are formed between tips of extension parts of the projection rib and the rear part of the rim so that the lower step parts become lower than the projection rib and the rear part of the rim.

Assignees

• Panasonic Ip Man Co Ltd

Inventors

• Saito Takahisa
• Shiratani Masahide

Classifications

• E03D11/02 Primary

  Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 ){; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl (parts or details of bowls E03D11/13)} · CPC title

• A47K13/24

  Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22 · CPC title

• A47K13/08

  Covers with urine funnels · CPC title

• A47K13/305

  Seats with heating devices · CPC title

• A47K13/00

  Seats or covers for all kinds of closets · CPC title