Patent ID: 7069927

Claim:
A waterproof device for a snorkel, comprising: a lower shell having a lower pipe mounted on a lower end of the lower shell, and multiple vents respectively defined in a periphery of the lower shell, and a breather pipe sleeved over the lower pipe; a ring securely received in the lower pipe; an elastic collar with a first end configured to engage with a top end of the ring, and a second end; an upper tube shaving a bottom end configured to engage with the second end of the elastic collar and pivotal relative to the ring and an open end defined in a top end of the upper tube; and an upper shell fastened with the lower shell and having at least one orifice defined in a top end thereof, wherein two first ears are respectively formed in two opposed top sides of the ring, two lugs are respectively formed on an outer wall of the first ears, two second ears are respectively formed in the bottom end of the upper tube and mated with the first ears, and two holes are respectively defined in the second ears and mated with the lugs.