Snorkel and buoyancy vest with manual controls

Details Snorkel and buoyancy vest with manual controls Snorkel and buoyancy vest with manual controls

1993-07-06

1995-04-25

Burr, Edgar S.

Surgery

Respiratory method or device

Combined with or convertible to a nonrespiratory device, or...

12820126, 12820127, 12820128, 12820024, 441 88, B63C 1108

Patent

active

054089930

ABSTRACT:
A new and improved snorkel and buoyancy control apparatus includes a snorkel tube for receiving inhaled air, a first one-way air valve connected to the snorkel tube for permitting air flow into the snorkel tube during inhalation, and a mouthpiece for receiving inhaled air and for supplying the inhaled air to the snorkeler's mouth and lungs. The mouthpiece includes a mouthpiece output port for permitting exhaled air to exit from the snorkeler's mouth. A second one-way air valve is connected to the mouthpiece for permitting air flow from the mouthpiece to a selector valve assembly. The selector valve assembly, connected to the mouthpiece by way of the second one-way air valve, receives exhaled air from the mouthpiece and selectively directs exhaled air to either a first selector valve output port connected to a vent or to a second selector valve output port connected to a buoyancy control vest which includes a first port connected to the selector valve assembly. Air directed to the buoyancy control vest is used to inflate the buoyancy control vest. The selector valve assembly may also include a mode for connecting the buoyancy control vest to the vent to deflate the buoyancy control vest.

REFERENCES:
patent: 3138155 (1964-06-01), Bould
patent: 5101818 (1992-04-01), Chace et al.

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