Retriever

Details Retriever Retriever

1975-12-22

1977-04-05

Cherry, Johnny D.

Handling: hand and hoist-line implements

Underwater implement

294113, B66C 128

Patent

active

040158730

ABSTRACT:
A retriever is configured to engage a sunken object by a marine mammal. Ar the object has been engaged by a U-shaped retriever having a pair of spring biased fingers, a retrieval line allows the raising of the sunken object to the surface. Only a relatively light pushing force need be exerted by the mammal to override the resistance of the spring biased fingers as they slide about and finally retain the object. High reliability is ensured by the uncomplicated design of the retriever and heavy loads in the neighborhood of several thousand pounds may be raised by a retriever weighing less than five pounds.

REFERENCES:
patent: 1039727 (1912-10-01), Gilmartin
patent: 3112038 (1963-11-01), Breivik
patent: 3178215 (1965-04-01), Reeves
patent: 3722941 (1973-03-01), Seiple et al.

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