Flushing mechanism for toilet tank

摘要

A flushing mechanism for toilet tank comprises an overflow tube ( 1 ) provided with a sealing valve ( 3, 4 ) co-operating with a discharge orifice ( 5 ') including a first floater ( 30 ) mounted on a height-adjusting screw ( 31 ) and a second floater ( 40 ) mounted pivoting about a fixed pin ( 41 ). The adjusting screw ( 31 ) is articulated ( 33 ) on a lever ( 34 ) articulated about a fixed pin ( 35 ), the lever ( 34 ) is provided with a snug ( 36 ) co-operating with a first locking cam ( 37 ) and the second floater ( 40 ) is provided with a snug ( 42 ) co-operating with a second locking cam ( 43 ). The invention is applicable to double-volume flushing systems.