WATER STORAGE TANK AND FLUSH TOILET BOWL EQUIPPED WITH THE SAME

PROBLEM TO BE SOLVED: To provide a water storage tank for a flush toilet bowl, which is connected with the flush toilet bowl with good workability. SOLUTION: In the water storage tank (8) for the flush toilet bowl mounted on a flush toilet bowl body (2) and used by being connected with the flush toilet bowl body, the water storage tank (8) has: a tank body (14) having a tank bottom face (14a) having a tank drain port for allowing cleaning water to flow out provided to the flush toilet bowl body, and a tank side face (14b) extending upward from the tank bottom face: a tank fixing part (16) having a bulging part (16a) bulging outward more than an area where the closed curve (C) of the outer circumference of the tank bottom face is projected in a vertical direction; and a fixing means (10, 22b) arranged outside more than the area where the closed curve is projected in the vertical direction and fixing the bulging part to the flush toilet bowl body by operation from the flush toilet bowl body and the outside of the tank body so that the tank body is connected with the flush toilet bowl body through the tank fixing part. COPYRIGHT: (C)2010,JPO&INPIT