Toilet flush tank apparatus

Claim 1

A flushing apparatus comprising an upstanding fixed guide member adapted to be secured to the bottom of a flush tank at the discharge opening means thereof, the guide member having a head on its upper end forming a stop, first and second flush valve assemblies arranged in stacked relationship on the guide member and each having internal guide fingers slidably contacting the guide member, each valve assembly having a lowermost valve element and an attached upwardly extending overflow pipe section, said fingers formed integral with said overflow pipe sections and projecting radially inwardly of their side walls, the valve element of the lower assembly adapted for seating on a seating means near the bottom of a flush tank, the top of the lower overflow pipe section forming a seat for the upper valve element of the upper assembly, a common operating handle for the apparatus adapted for pivotal mounting on a flush tank, a first lever secured to the handle and extending above said lower assembly, a first flexible element interconnecting the first lever and the lower valve assembly, a second lever pivoted to the first lever and extending above the second valve assembly, a second flexible element interconnecting the second lever and second valve assembly, and a spring interconnecting the first and second levers yieldingly, whereby depression of the handle by a user of the apparatus will first unseat the uPper valve assembly to partially empty a tank and further depression of the handle while the upper valve assembly is engaged with said stop will unseat the lower valve assembly to complete emptying of a tank.