Patent ID: 7526819

Claim:
A dual flush system for use on a toilet of the type having a toilet bowl, a water tank, a tank ball, a lift chain and a first flush actuator, wherein said tank ball is adapted to be lifted by said lift chain by actuating said first flush actuator, said water tank being connected to the toilet bowl by means of a flush pipe having a first flush outlet in said water tank and an overflow tube having an overflow tube inlet, said overflow tube connected to said flush pipe at the bottom end of said overflow tube, said first flush outlet being sealed with said tank-ball, said dual flush system comprising a tubular flush pipe extension having a second flush outlet and a bottom opening for coextensively engaging said flush pipe at said first flush outlet, wherein flushing through both said first flush outlet and said second flush outlet is controlled by rotating said first flush actuator, and wherein both said flush pipe extension and said tank ball are lifted with said lift chain, wherein said flush pipe extension further comprises means to connect a buoyant member to said flush pipe extension, wherein said means to connect said buoyant member is a pin attached to a support member which is attached to said flush pipe extension, said buoyant member comprising a hole to receive said pin.