Patent ID: 9555427
Date: 2017-01-31
CPC Classifications: B05B

Claim:
1. Triggered dispensing device for a liquid, comprising: a frame; a pumping chamber and a piston sliding sealed in the pumping chamber along a piston axis, the chamber being provided of a bottom wall; a trigger operatively connected to the piston to move it; a suction pipe fluidly connectable to a container of the liquid to be dispensed, wherein the suction pipe comes out into the pumping chamber through a suction opening provided in the bottom wall; a dispensing pipe having extension along a dispensing axis, fluidly connected at an extremity to the pumping chamber through an inlet opening and, at the other extremity, fluidly connected with the outside environment; a suction valve suitable for regulating the flow of fluid between the suction pipe and the pumping chamber; a delivery valve, distinct from the suction valve, comprising a baffle outside the dispensing pipe, suitable for regulating the flow of fluids between the pumping chamber and the dispensing pipe; and a removable stop, comprising a bottom arranged behind the delivery valve, to create a stop for this during the dispensing phase, wherein the frame comprises a supporting wall annular with respect to the dispensing axis and the stop is fitted to the supporting wall, and wherein the delivery valve comprises a connection wall annular with respect to the dispensing axis, inserted in the supporting wall of the frame and abutting on this, and wherein the stop comprises a cup element having a section superimposed axially and inserted in the connection wall.