Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Passenger enclosing bouyancy device
Patent
1988-06-09
1990-07-24
Basinger, Sherman D.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Passenger enclosing bouyancy device
B63C 906
Patent
active
049432524
ABSTRACT:
A quickly inflatable survival device for skiers comprising a protective and bouyant plurality of concentric spheres made of flexibly impervious material which is stored uninflated around the waist in a belt pack (64), using a detachably attached belt (28), and covered with a detachable flexible cover (52). To activate when needed, an inflation pull ring (62) connected to a pressure vessel and valve (30) is manually pulled to release a pressurized gas into the chambers (20) between the inner sphere wall (40) and the outer sphere wall (38), the sphere walls being limited in separation by the use of wall partition segments (44,46,48) having air communications openings (42) to allow free air flow throughout the chambers (20). Immediately after pulling the inflation ring (62), the person crouches down and the sphere is very quickly and forcefully expanded, detaching the cover (52), to its inflated spherical configuration and totally encloses the person, providing protection and buoyancy in snow avalanche environments. Deflation is accomplished using the pressure relief valve (26), then either exit enclosure (24/36) is opened using the fabric handles (22) and the occupant releases the belt (28) and steps out of the device.
REFERENCES:
patent: 616439 (1898-12-01), Shepherd
patent: 659807 (1900-10-01), Barton
patent: 1042327 (1912-10-01), Costanzo
patent: 2367835 (1945-01-01), Kreyer
patent: 2399670 (1946-05-01), Freygang
patent: 3066951 (1962-12-01), Gray
patent: 3768467 (1973-10-01), Jennings
patent: 3883913 (1975-05-01), Givens
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