Actuating mechanism for toilet flush tank or dual flush type

Claim 1

In an actuating mechanism for a toilet flush tank, the combination of a toilet tank having a rubber float ball valve normally seated on a drain outlet that communicates with a toilet bowl, said valve including a liftable hollow rubber ball, and control means secured to said ball for controlling an amount of water to be flushed from said tank during each flushing action, said control means comprising a hollow tube unit communicating with the interior of said ball and extending upward above water level within said tank, said hollow tube unit consisting of a two straight plastic tubes having an accordian plastic tube intermediate and adjoining the respective ends of said plastic tubes, a lower of said straight tubes extending angularly upwardly from a side of said float ball, said intermediate accordian tube being axially curved so intermediate a lower end thereof connects to said lower angularly extending straight tube and the upper end thereof extending vertically upward and said upper straight tube extending vertically upward therefrom, said control means further comprising an air control valve at the upper end of said upper straight tube and means for adjusting the rate of airflow through said hollow tube unit.