Handling: hand and hoist-line implements – Underwater implement
Patent
1982-07-06
1984-05-08
Marbert, James B.
Handling: hand and hoist-line implements
Underwater implement
244137R, B64D 122
Patent
active
044470835
ABSTRACT:
A net recovery system for recovering torpedoes or the like from the surface f the water. The net recovery system consists of a net shaped into the configuration of the surface of a cone having a closed apex and an open circular base. A rigid hoop is attached to the open circular base. A main lift line has one end connected to a firing mechanism, such as a helicopter, and the other end connected to a releasable hook. A releasable lift line is connected at one end to the releasable hook and the other end connected to the apex of the net. A hoop lift line has one end connected to the main lift line above the releasable hook and the other end connected to the hoop. A net lift line has one end connected to the main lift line above the releasable hook and the other end connected to the apex of the net. The net lift line is substantially longer than the hoop lift line and the hoop lift line is substantially longer than the releasable lift line. A typical recovery method is for the helicopter pilot to (1) lower the net system by the apex of the net with the open hoop directly over the torpedo until the torpedo is within the net, (2) actuate the releasable hook that releases the releasable lift line from the apex of the net, (3) raise the helicopter and the main lift line and net lift line (that has slack and is connected to the apex) which captures the torpedo in the net, and (4) raise the net and torpedo from the water by the hoop lift line and the net lift line which preferably have lengths selected to hold the torpedo in the horizontal position in the net. By configuring the lift lines in various ways either vertical or horizontal floating torpedoes can be recovered.
REFERENCES:
patent: 3647253 (1972-03-01), Hettinger et al.
patent: 3921943 (1975-11-01), Munro et al.
patent: 4138077 (1979-02-01), Okumura
Campana Jerry M.
Day Richard B.
Beers R. F.
Curry Charles D. B.
Marbert James B.
The United States of America as represented by the Secretary of
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