Patent ID: 7597309

Claim:
A device for supplying volatile materials to be dispensed into the atmosphere, comprising: a quantity of volatile material; a replaceable canister comprising a reservoir and a U-shaped outlet tube, wherein said reservoir has a reservoir interior surface defining a cavity configured to accommodate said quantity of volatile material; wherein said U-shaped outlet tube comprises a tube inner leg, a tube outer leg, and a tube crosspiece, and wherein said tube inner leg is fluidly connected to a lower area of said reservoir; wherein said reservoir comprises a reservoir outer wall, a reservoir top wall, and a reservoir bottom wall, and wherein said reservoir outer wall has a degree of flexibility; and an external housing comprising a housing side wall, a housing bottom wall, housing interior surfaces defining a housing interior chamber, and a powered actuating unit, wherein said housing interior chamber is sized and configured to receive said replaceable canister, and wherein said powered actuating unit is configured to apply pressure to said reservoir outer wall.