Ships – Anchoring arrangement
Patent
1977-05-10
1978-05-23
Blix, Trygve M.
Ships
Anchoring arrangement
B63B 2124
Patent
active
040904628
ABSTRACT:
This dual anchor apparatus includes two anchors which are lowered on a single anchor line. The line extends from the vessel carrying it to a pulley and thence to one of the two anchors. That anchor is also releasably connected to the line at a point spaced above the pulley. During implantation, that anchor rides above the pulley and hence is called the upper anchor. Another line extends from the pulley support to the other anchor, which rides below the pulley and is the lower anchor. The method of implanting the two anchors in the bottom includes conventionally implanting the lower anchor, then paying out more line while the vessel proceeds, thereby lowering the upper anchor to the bottom at a calculated distance from the lower anchor, thereafter disconnecting the releasable connection and then tightening the line through the pulley to drag the upper anchor toward the lower anchor to implant it firmly, so that subsequent tension on the main line pulls the anchors toward each other. A single pair of anchors may be used with a ship or a buoy. For more complex structures, a plurality of dual anchor assemblies, each with its own line, may be implanted in the bottom at peripherally spaced points around the structure to be anchored. Modifications of the anchor assembly may include block and tackle arrangements to increase the mechanical advantage.
REFERENCES:
patent: 3151594 (1964-10-01), Collipp
patent: 3386407 (1968-06-01), Mount
patent: 3620181 (1971-11-01), Naczkowski
Blix Trygve M.
Bossert Manufacturing Corporation
Sotelo Jesus D.
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