Patent ID: 7617939

Claim:
A faucet mounted water filtration system comprising: a base having an inlet, a water receiving chamber, and at least one outlet, said inlet configured to be coupled to a faucet; a body coupled to said base, said body defining a filter compartment configured to house a filter cartridge; a cover rotatably coupled to said body, said cover encapsulating said filter compartment; a cam operatively coupled to said cover, said cover rotatable to move said cam between a default position, a first position, and a second position; a valve operatively engaging a surface of said cam, said cam rotatable to move said valve to open and close a passageway to said filter compartment; and a biasing element positioned to bias said cam to the default position when a water flow through the faucet is stopped, wherein said valve is in a closed position with said cam at the default position.