CPC E03D 1/012 (2013.01) [E03D 1/26 (2013.01); E03D 2201/20 (2013.01)] | 9 Claims |
1. A tank device for supplying flush water stored therein to a flush toilet, comprising:
a tank main unit for storing flush water in an internal space thereof defined by an inner wall surface which comprises a transverse surface extending in a transverse direction and a standing surface extending in an up-down direction; and
a water supply member for supplying flush water, which is used for cleaning the flush toilet, from a water supply port to the internal space of the tank main unit,
wherein the water supply member is configured to spout flush water toward the inner wall surface defining the internal space,
wherein the tank main unit comprises a flow rectifying portion provided in a region of the inner wall surface to which flush water is spouted, the flow rectifying portion having a concave part and/or a convex part each formed on the inner wall surface, and
wherein the water supply member is configured to spout the flush water toward the standing surface, and the flow rectifying portion is formed on the standing surface.
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