Patent ID: 7200877

Claim:
A dual flush toilet system for selectively flushing solid waste or liquid waste, said dual flush toilet system comprising: a water tank with a discharge opening on the bottom of said water tank for storing and receiving water; a toilet bowl located below said water tank and connected to said water tank by said discharge opening; a spud having an elongated upstanding body with a lower end secured on said discharge opening of said water tank; a flush valve comprising a tubular element upstanding and extending above the water surface in said water tank and slidably engaged with said spud, a float chamber attached on the lower portion of said tubular element, and a ring attached at the upper portion of said tubular element; engaging means connecting said flush valve and a support for engaging the movement of said flush valve to perform a full flush operation or a partial flush operation to flush wastes in said toilet bowl; and wherein said engaging means engages said flush valve with both vertical and rotational movement about a vertical axis.