Snorkel having improved inlet cap

Details Snorkel having improved inlet cap Snorkel having improved inlet cap

1998-01-20

1999-02-02

Weiss, John G.

Surgery

Respiratory method or device

Draw-type snorkel

12820126, 12820127, B63C 1116

Patent

active

058651691

ABSTRACT:
A snorkel having improved inlet cap comprising a hose and an inlet cap disposed onto the upper end of the hose. The inlet cap includes a vertical tube having a ventilating hole at a sidewall. The vertical tube further includes a projection that encloses the ventilating hole of the vertical tube. The projection has a hollow configuration and defines an upper and a lower opening, respectively. A covering lid is pivotally disposed onto the upper opening of the vertical tube while the upper opening of the vertical tube is still free to communicate with the outside. The covering lid further includes an extension that partially covers the upper opening of the projection such that the opening of the projection is partially enclosed. As a result, fresh air can be readily sucked into the hose from both the ventilating holes of the vertical tube as well as the opening of the vertical tube. As a result, the diver can be supplied with a great deal of fresh air. On the other hand since, the extension of the covering lid encloses part of the opening of the projection, a whitecap from all directions can be effectively blocked from entering the inlet cap.

REFERENCES:
patent: 5529057 (1996-06-01), Ferrero et al.

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