Patent ID: 8209788

Claim:
A chemical solution distributing apparatus which is installable in a water tank of a water closet and is configured to distribute chemical solutions periodically in the water tank, the chemical solution distributing apparatus comprising: a bottomed tubular apparatus main body having a lower end comprising an opening; a check valve configured to allow air to be released from inside the apparatus main body to an environment outside the apparatus main body; a chemical retaining section disposed inside the apparatus main body configured to mount or retain chemicals at a predetermined height from the opening at the lower end of the apparatus main body; and a drawn-water passage section having a first end that opens towards and is in fluid communication with an inside of the apparatus main body and a second end outside the apparatus main body and positioned higher than the lower end of the apparatus main body; wherein the chemical solution distributing apparatus is configured so that as a water level inside the apparatus main body drops, water inside the drawn-water passage section is drawn into the inside of the apparatus main body and contacts and dissolves chemical mounted or retained by the chemical retaining section to form a chemical solution, and the chemical retaining section has at least one hole formed at an upper side of the chemical retaining section configured to allow the chemical solution to be in fluid communication with water inside the apparatus main body or inside the water tank.