Patent ID: 9114416
Filing Date: 2015-08-25
Classification: B05B

Abstract:
1. A nozzle opening/shutting device of an airless type cosmetics vessel, comprising: a cylinder installed inside an inner cap that is mounted to an upper end of a vessel body by a screw type mounting method; a pumping unit including: a disc valve, a piston support, a piston and a stem that are installed in the cylinder such that the stem can be elastically moved upward and downward by an elastic biasing spring; a nozzle housing having a lower connection pipe that is inserted in an upper end of the stem of the pumping unit; and an opening/shutting nozzle installed in a front assembly hole of the nozzle housing, the opening/shutting nozzle including: wherein the nozzle opening/shutting device further comprises: wherein the cam guide actuation unit comprises left and right cam guide members that are shaped to be curved forward, with a cam guide slit formed between the left and right cam guide members; and wherein the guide groove formed around the rear end of the plunger is inserted into the cam guide slit formed between the left and right cam guide members so that the guide groove can be guided upward and downward by the cam operation when the push button is pushed down.