Patent ID: 6981658

Claim:
A liquid sprayer comprising: a bottle having an opening; a sprayer housing connected to said bottle, said sprayer housing including an electric motor, a voltage source for powering said electric motor, a pump driven by said motor, a switch for completing an electrical circuit, a nozzle mechanism attached to said sprayer housing for spraying a liquid, a vent housing having an inner surface, an outer surface, a first opening wherein said first opening is in fluid communication with said bottle, a second opening wherein said second opening is in fluid communication with the outside atmosphere, and a translating piston disposed in said vent housing; a trigger movably connected to said sprayer housing for closing said switch and translating said piston; a pump supply tube extending from said opening of said bottle to an inlet of said pump; and a pump discharge tube extending from an outlet of said pump to an opening of said nozzle mechanism.