Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1993-06-21
1994-11-29
Sotelo, Jesus D.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441113, B63C 916
Patent
active
053685121
ABSTRACT:
A first belt of the invention--substantially hollow and worn about the waist--is able to be filled with a compressed gas from a cartridge coupled with it and actuable by a pin whose placement is controlled by a pulling open of a belt buckle or by a pulling on an included lanyard. A portion of this first belt is secured in overlapping relationship so as to unfold and expand outwardly under action of the compressed gas which fills it. A second belt of the invention--of conventional construction and also worn about the waist--underlies the first belt and is tethered to it. The end result is to increase the length of the first belt when filled with the compressed gas, thereby forming a tube riding under the armpits in holding a wearer vertically in the water--yet still allowing him or her to be able to swim about, while the tether prevents the tube thus formed from slipping over the shoulders and head of the wearer.
REFERENCES:
patent: 3754731 (1973-08-01), Mackal et al.
patent: 4626221 (1986-12-01), Rocco
patent: 5178569 (1993-01-01), Wang
patent: 5180321 (1993-01-01), Brown
Brodsky Charles I.
Sotelo Jesus D.
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