Cargo lift system

Details Cargo lift system Cargo lift system

1981-03-02

1983-04-12

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Passenger or cargo loading or discharging

244138R, 244146, 244147, 367 3, 102354, 102387, 441 1, 441 30, 441 33, B64D 108, B64D 1772

Patent

active

043795340

ABSTRACT:
A system for transferring cargo at sea by helicopter includes an automatily activated self inflatable apparatus for reducing the velocity of the cargo if jettisoned or inadvertently dropped into the sea and for keeping the cargo afloat until retrieval may be accomplished. The cargo is lifted by a support sling attachable to a helicopter suspension cargo hook and simultaneously connected to a second sling in parallel to the helicopter through the rapidly deployable retardation and floatation device. Release of the support sling causes the cargo to drop and initiate deployment and inflation of the ribs of the parachute thereby retarding the cargo's descend and providing buoyancy for its floatation.

REFERENCES:
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patent: 1755954 (1930-04-01), Guede et al.
patent: 1840618 (1932-01-01), Castner
patent: 2377587 (1945-06-01), Strong
patent: 3341871 (1967-09-01), Oliveau
patent: 3389880 (1968-06-01), Ferguson
patent: 3514058 (1970-05-01), Sloan, Jr. et al.
patent: 3840057 (1974-10-01), Lesh, Jr.
patent: 3860984 (1975-01-01), Fisher
patent: 3891165 (1975-06-01), Day et al.
patent: 4048942 (1977-09-01), Cotton et al.
patent: 4298963 (1981-11-01), Dejob et al.

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