Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1988-01-28
1989-06-27
Basinger, Sherman D.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441108, 441114, 441117, B63C 916
Patent
active
048425621
ABSTRACT:
An inflatable buoyancy belt is disclosed comprised of a segment of expandable tubing closed at either end with flattened plugs, carrying fittings enabling adjustable securement of a nonstretchable belt, the tubing segment and connected belt each of a length to extend approximately half way around a wearer's trunk. A gas cartridge holder-inflator fitting is incorporated into one of the end plugs, the gas cartridge releasing a volume of gas only partially inflating the tubing segment, causing a localized bubble to be formed, acting as a buoyancy chamber confined to one side of the wearer's body. The lengthening of the tubing segment at inflation offsets the tightening effect of the bubble to insure a sufficiently loose fit to the wearer so as to allow ready adjustment of the position of the bubble to the wearer's upper trunk.
REFERENCES:
patent: 1538627 (1925-05-01), Di Lauro
patent: 2802222 (1957-08-01), Chapman
patent: 3302224 (1967-02-01), Boucher
patent: 3864773 (1975-02-01), Geary
patent: 4360351 (1982-11-01), Travinski
patent: 4626221 (1986-12-01), Rocco
Basinger Sherman D.
Benefiel John R.
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