Snorkel

Details Snorkel Snorkel

1986-11-21

1988-11-08

Howell, Kyle L.

Surgery

Respiratory method or device

Draw-type snorkel

B63C 1116

Patent

active

047828307

ABSTRACT:
A snorkel which is capable of being used for diving in an underwater environment and where the positional attitude of the diver may change substantially in an underwater environment. The snorkel is generally comprised of an elongate breathing tube with a mouth piece on the lower end of that breathing tube. A secondary tube is generally parallel to the breathing tube and is connected to the upper end thereof by a U-shaped connecting section. The snorkel also comprises an upwardly opening air intake and exhaust chamber through which the breathing tube extends. The secondary tube is also connected to the upwardly opening air chamber through a port close to the lower end of the chamber.

REFERENCES:
patent: 156599 (1874-11-01), Schmitz
patent: 1268806 (1918-06-01), Vukosav
patent: 4583536 (1986-04-01), Jan

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