Patent ID: 8517221

Claim:
A trigger sprayer for use with a container of fluid, comprising: a dip tube; an inlet valve; a molded flexible pump diaphragm having a circumferential flange and a valve lip; a molded shroud which includes a trigger, an actuation element which engages said pump diaphragm, a front mating element, and a rear mating element; a molded body having a closure for the container, a fluid inlet coupled to said dip tube, a coupling for said inlet valve, an engaging element for engaging said circumferential flange of said flexible diaphragm, a fluid discharge barrel having a proximal opening into which said valve lip of said pump diaphragm seats, a vent chamber, a vent barrel coupling said vent chamber to the ambient, a body section having a mating element for coupling to the rear mating element of the shroud so that the shroud can pivot at the coupling point, and a forward mating element; and a molded combination nozzle and door assembly with a nozzle which couples to said fluid discharge barrel of said molded body and a flange which mates with said forward mating element of said body, a live hinge, and a door having a first plug which plugs said nozzle, a second plug which plugs said vent barrel, and trigger locking elements which extend through said nozzle and door assembly and lockingly mate with said front mating element of said molded shroud in order to lock said trigger when said door is closed.