Patent ID: 7637399

Claim:
A spray discharge cap for a sprayer having a valve, comprising a spray release top attachment including a retainer ring ( 10 ; 76 ) and an actuation element ( 16 ; 18 ) which is hinged to said retainer ring, an outlet tube ( 26 ; 78 ) having an outlet opening ( 36 ; 88 ) and an inlet opening that is connected to said valve, a piston element ( 40 ) movably disposed in said outlet tube which is in a position closing said outlet opening ( 36 ; 88 ) if said actuation element ( 16 ; 80 ) is not depressed, and which is movable inside said outlet tube via a dog mechanism ( 64 , 48 ; 94 , 95 , 98 ), wherein said dog mechanism interacts with said actuation element ( 16 ; 80 ) in such a way that if said actuation element is depressed said piston element is in a position releasing said outlet opening, characterized in that said dog mechanism of said piston has at least one pin member ( 48 ; 98 ) and said outlet tube has at least one recess or breakthrough ( 56 ; 92 ) through which said pin member projects from said outlet tube; further characterized in that said outlet opening has an inlet portion connected to said inlet opening which opens transversely into an outlet channel ( 32 ) wherein said outlet channel has a first portion ( 34 ) connected to said outlet opening and a second portion ( 38 ) of a larger diameter; further characterized in that said second portion ( 38 ) of said outlet channel ( 32 ) is closed by a cap member ( 58 ), and further characterized in that a spring member ( 54 ) is loaded in between said cap and said piston and forces said piston element to said position closing said outlet opening.