Patent ID: 7966676

Claim:
A toilet bowl flushing water tank device comprising: a flushing water tank body forming a discharge opening in a center portion of the flushing water tank body; a discharge valve device for vertically moving a discharge valve element relative to the discharge opening, the discharge valve device being mounted and housed in the flushing water tank body; a leverage device interlockingly connected to the discharge valve device, the leverage device being mounted and housed in the flushing water tank body; and a push button interlockingly connected to the leverage device in the flushing water tank body, the push button being mounted on a tank lid body of the flushing water tank body, wherein the push button is arranged at a position offset to one side from a position where the discharge opening is formed, the leverage device is constituted of a lever which is interlockingly connected to the discharge valve element and a pedestal which pivotally supports a middle portion of the lever, the pedestal pivotally supports a middle portion of the lever at a position closer to a push button side than to the discharge valve device, a height adjusting mechanism is arranged below the pedestal of the leverage device, a leg body is contiguously mounted on a lower end of the pedestal of the leverage device, and the height adjusting mechanism is constituted of an adjusting block which is detachably mounted on the leg body for adjusting a distance between a ground contact surface of the leg body and an inner bottom surface of the flushing water tank body.