The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 11, 2020

Filed:

Dec. 22, 2017
Applicant:

Toto Ltd., Kitakyushu-shi, Fukuoka, JP;

Inventors:

Shu Kashirajima, Kitakyushu, JP;

Masaaki Momoe, Kitakyushu, JP;

Yuuki Shinohara, Kitakyushu, JP;

Assignee:

TOTO LTD., Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03D 11/08 (2006.01); E03D 1/28 (2006.01); E03D 9/14 (2006.01); E03D 3/00 (2006.01);
U.S. Cl.
CPC ...
E03D 11/08 (2013.01); E03D 1/28 (2013.01); E03D 9/14 (2013.01); E03D 3/00 (2013.01);
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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