Mine anchor
AssigneeAktiebolaget Thulinverken
InventorsJan Bjork, Kjell Ake Bertil Holmgren
Life of this patent
Estimating the term…
Abstract
A submarine buoyant mine is anchored at a predetermined depth under water by means of an air driven cable drive assembly which pulls in a measured length of cable to set the depth after the mine is launched and the anchor is at the bottom.
Claims7
A mine anchor assembly for anchoring a submarine buoyant mine at a predetermined depth under the water surface, comprising in combination, means for connecting a mine to an anchor by a cable, means for letting the anchor carry the cable to the bottom with the mine being afloat near the surface, cable pulling means, an energy source for driving said pulling means, start control means for initiating the cable pulling means after launching the mine at the surface of the water when the anchor is on the bottom thereby to pull the mine toward the anchor by said cable, and stop control means for breaking off the cable pulling after pulling in a measured length of cable identifying a predetermined depth of the mine wherein the cable is wound on a drum and the cable pulling means is a pneumatic driving assembly for said drum, and the source of energy is a compressed air tank.
Dependencies are inferred from the claim text.