Roller grapnel

Details Roller grapnel Roller grapnel

1999-03-08

2000-10-17

Cherry, Johnny D.

Handling: hand and hoist-line implements

Underwater implement

254400, 294 821, B66C 110

Patent

active

061319740

ABSTRACT:
The present invention provides an improved grapnel which permits towed ars to be retrieved more easily and with less chance of damaging the array. The invention includes a pair of U-shaped members attached to a center stock, the U-shaped members being attached in a perpendicular relationship to each other. A threaded rod connects each vertical portion of the U-shaped members to the center stock, and each row has a roller disposed thereon. The grapnel further includes a hub disposed on the center stock proximate the rollers and ramps respectively attached to each vertical portion of the U-shaped members, for guiding a towed array into engagement with the rollers.

REFERENCES:
patent: 1736193 (1929-11-01), Erdahl
patent: 1858941 (1932-05-01), Salmon
patent: 2602689 (1952-07-01), Matz
patent: 3195862 (1965-07-01), Sherman
patent: 4417718 (1983-11-01), Niskin
patent: 4423853 (1984-01-01), Davis
patent: 6062621 (2000-05-01), Zelany

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