US 12,215,492 B2
Flush toilet
Satoshi Matsunaka, Kitakyushu (JP); and Kenji Watanabe, Kitakyushu (JP)
Assigned to Toto Ltd., Fukuoka (JP)
Filed by TOTO LTD., Kitakyushu (JP)
Filed on May 28, 2021, as Appl. No. 17/333,112.
Claims priority of application No. 2020-096002 (JP), filed on Jun. 2, 2020.
Prior Publication US 2021/0372108 A1, Dec. 2, 2021
Int. Cl. E03D 1/012 (2006.01); E03D 1/28 (2006.01); E03D 5/01 (2006.01)
CPC E03D 1/0125 (2013.01) [E03D 1/28 (2013.01); E03D 5/01 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A flush toilet for discharging waste with flush water, the flush toilet comprising:
a toilet main body including a bowl configured to receive waste, and a discharge trap configured to discharge the waste in the bowl; and
a tank device configured to supply the flush water to the toilet main body, wherein
the tank device includes a storage tank configured to store the flush water to be supplied to the toilet main body, the storage tank being provided behind the toilet main body and above a floor surface,
the storage tank has a shape that is asymmetrical in a front-back or left-right direction and includes a large tank section and a small tank section, the large tank section being a large-capacity side of the storage tank that is divided into two at a center in the left-right direction when seen in the front-back direction, the small tank section being a small-capacity side of the storage tank that is divided into two at the center in the left-right direction when seen in the front-back direction, and
the storage tank or the toilet main body includes a deformation-preventing supporting member configured to prevent deformation of the storage tank by supporting the storage tank that is installed on the toilet main body,
wherein the tank device further includes a pump configured to feed, under pressure, the flush water in the storage tank to the toilet main body, the pump being provided as the deformation-preventing supporting member.