Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1997-07-21
1998-10-20
Swinehart, Ed L.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441 98, 441 88, B63C 916
Patent
active
058238409
ABSTRACT:
An emergency flotation device securable about the wrist of a user that includes a bracelet assembly including an upper bracelet member and a lower bracelet member that are attached by a flexible bracelet member hinge, that are pivotable into a closed position forming a wrist receiving opening, and that are securable in the closed position by a bracelet member latch; a scored flotation balloon retaining membrane positioned over a flotation balloon deployment window of the upper bracelet member; a valve assembly having a valve intake, a valve outlet and a manually activated valve positioned between the valve intake and the valve outlet; a resilient bladder filled with a pressurized acid solution; a flexible connecting tube in connection between the resilient bladder and the valve intake; an inflatable flotation balloon positioned within the flotation balloon receiving compartment of the upper bracelet member, the inflatable flotation balloon having a balloon chamber having a supply of carbon dioxide generating material; and an acid solution delivery tube in connection between the valve outlet and the balloon chamber of the inflatable flotation balloon.
REFERENCES:
patent: 3084357 (1963-04-01), Gaumer
patent: 4482081 (1984-11-01), Meggs
patent: 4629436 (1986-12-01), Stewart et al.
patent: 4810219 (1989-03-01), Anderson et al.
patent: 4813899 (1989-03-01), Fujimoto
Breaux Joseph N.
Swinehart Ed L.
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