Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Air-sea rescue device
Patent
1984-06-19
1986-12-09
Blix, Trygve M.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Air-sea rescue device
244137P, 441 80, B64D 4700
Patent
active
046278214
ABSTRACT:
A rescue device for use with a helicopter comprises a floatation ring large enough to surround several standing persons and a rigid, non-buoyant open decking capable of supporting those persons. A collapsable netting surrounds the deck and connects the floatation ring thereto. The floatation ring has sufficient buoyancy to support the whole device when in the water with the deck suspended below the water level and with several persons standing on the deck and who are partially submerged. Supporting cables for use with a helicopter hoist are fixed both to the ring and to the deck so that when the device is lifted the ring is held a predetermined distance above the deck.
REFERENCES:
patent: 2051056 (1936-08-01), Nolan
patent: 2557079 (1951-06-01), Cutri
patent: 2817860 (1957-12-01), Fritz
patent: 3097374 (1963-07-01), Browning
patent: 3176327 (1965-04-01), Oberth
patent: 3421165 (1969-01-01), Pugh
patent: 4124181 (1978-11-01), Kolwey
patent: 4138077 (1979-02-01), Okumura
Bradley James
Evans George E.
Mackenzie Donald
Marcuson Michael
Blix Trygve M.
Empra Systems Corp.
Swinehart Edwin L.
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