Asymmetrical unballasted anchor

Ships – Anchor – Fluke type

Reexamination Certificate

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Reexamination Certificate

active

10720278

ABSTRACT:
An asymmetric boat anchor has an unballasted fluke (2), with a tip (6) and a back (8) with a curved edge (10); a shank (4) is mounted on the fluke. The edge (26) of the shank away from the tip (6) of the fluke is curved and the free end of the shank (18) is offset from a plane (30) tangent to the back edge (10) of the fluke and to the edge (26) of the shank. Thus, if the anchor is in a reverse position, contacting the sea ground through the edge of the shank and the back edge of the fluke, it will roll on the edge of the shank and turns to the anchoring position.

REFERENCES:
patent: 3749044 (1973-07-01), Klaren
patent: 4173938 (1979-11-01), Colin
patent: 4523539 (1985-06-01), Granger
patent: 5138967 (1992-08-01), McCarron et al.
patent: 5188055 (1993-02-01), Kershner
patent: 5511506 (1996-04-01), Bruce
patent: D375717 (1996-11-01), Dick
patent: 5806456 (1998-09-01), Peabody
patent: 5855181 (1999-01-01), Oxford
patent: 5934219 (1999-08-01), Poiraud
patent: 6332423 (2001-12-01), Petersen
patent: 6390011 (2002-05-01), Goodman
patent: 1279590 (2003-01-01), None
patent: 2769576 (1999-04-01), None
patent: 2820108 (2002-08-01), None
patent: 04039190 (1992-02-01), None

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