Patent ID: 8727181

Claim:
A liquid spraying device for use with a trash dumpster, the trash dumpster including a base and at least one sidewall extending up from the base, the base and sidewall enclosing an interior of the trash dumpster, the trash dumpster being configured to hold items for subsequent removal by lifting the trash dumpster from a support surface and upending the trash dumpster, the liquid spraying device comprising: a reservoir, a sprayer body in liquid communication with the reservoir, at least one nozzle in liquid communication with the sprayer body, and an actuator having a piston and a biasing mechanism and a contact plate, the contact plate being operatively connected to the piston, the biasing mechanism being operatively connected to the contact plate, the contact plate being configured to contact the support surface of the trash dumpster when the trash dumpster is placed on the support surface, the piston and biasing mechanism being configured to move between a first and second position, the piston and biasing mechanism being further configured to extend the piston and contact plate away from the base of the trash dumpster when the trash dumpster is removed from the support surface and to retract the piston and contact plate when the trash dumpster is replaced on the support surface, the actuator being configured to draw liquid from the reservoir into the sprayer body when the piston is moved in a direction from the first position toward the second position and to expel the liquid from the sprayer body toward the nozzle when the piston is moved in a direction from the second position toward the first position, the nozzle being configured to spray the liquid on at least a portion of the interior of the trash dumpster.