US Patent 6896160 Lockable disc top dispensing closure

A disc top dispensing closure which includes a body having an opening and an actuator having a channel mounted to the closure body. The actuator is pivotable between an open position, wherein the channel and the opening of the body form a continuous fluid path, and a closed position, wherein the channel and the opening of the body do not form a continuous fluid path. The actuator is also rotatable between a locked position, wherein the actuator is not movable between the open and the closed position, and an unlocked position, wherein the actuator is movable between the open and the closed position.