Transferrable and reusable marker and retrieval system for water

Details Transferrable and reusable marker and retrieval system for water Transferrable and reusable marker and retrieval system for water

1990-07-13

1992-01-28

Swinehart, Ed

Buoys, rafts, and aquatic devices

Buoy

Marker buoy

114 51, 441 25, B63B 2216

Patent

active

050839535

ABSTRACT:
An improved apparatus for use in association with a vessel to facilitate raising the vessel and/or cargo carried thereby should it become sunken. The apparatus is readily attachable to or mountable on any equipment and includes a float having an upper portion with the upper portion being of larger cross-sectional area. The bottom portion has a recess therein. A cable drum is located in the recess and journaled for rotation to pay out a light duty line wound thereon. The light duty line has a knob attached thereto and which is also attached to a heavy duty lifting cable attached to secure lift points on the vessel. The float is mounted at an appropriate location on the vessel, or cargo and should the vessel or cargo (as the case may be) sink, it floats to the surface. Information concerning the sunken object size, equipment for retrieval, etc. is on a plate attached to the float. A rescue vessel uses a pull line with a sleeve thereon that slides down the light duty line to the lifting knob and after passing the same, dogs on the sleeve engage the knob. For heavier duty applications a second heavier duty pull line, with a sleeve thereon slides over the first line and knob engaging a second knob on a heavy duty cable attached to the sunken object. The rescue vessel is then able to pull directly on the heavy duty line to raise the sunken object.

REFERENCES:
patent: 3016649 (1962-01-01), Ratcliff
patent: 4000533 (1977-01-01), Higgs

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