Toilet water tank with light and heavy flush control

Claim 1

In a toilet having a tank, a source of water into the tank, and means for turning on and off the water from said source, which means is operably controlled by the height of the water iN the tank, the improvement comprising: a basin disposed in said tank, said basin having first and second intercommunicating inlet openings from said tank with the second opening disposed lower in the tank than the first opening and an outlet opening from said basin intercommunicating with said inlet openings and communicating with an outlet from said tank; first and second valves for closing said first and second inlet openings respectively, said valves being movable to open positions to allow the passage of water through said basin and out of said tank; first and second actuator arms coupled with said first and second valves respectively; first and second actuator shafts disposed one within the other and being movable independently, each of said shafts having one end projecting from said tank and a lifting face on one side thereof at the opposite end, said lifting face being generally perpendicular to the longitudinal plane of the shaft, a lifting rod for each of said arms independent of a respective shaft, disposed in engagement with the said lifting face and coupled with a respective arm, whereby when a respective shaft is rotated said face transmits the torque from the shaft into a lifting force to lift said rod to thereby move a respective arm and open the valve coupled therewith.