Ships – Displacement-type hull – Multiple hulls
Patent
1983-07-08
1985-05-14
Blix, Trygve M.
Ships
Displacement-type hull
Multiple hulls
114 39, B63B 314
Patent
active
045165181
ABSTRACT:
An elongated structural member is provided for releasable anchoring at one end to one end of either the fore or aft transverse bracing structure extending between and anchored relative to fore and aft portions, respectively, of the hulls of a catamaran. The elongated structural member is positionable in a plane normal to the longitudinal centerlines of the hulls and inclined generally 45.degree. relative to a plane containing the hull members with the other end of the structural member spaced outwardly from the underside of the remote hull. An elongated flexible tension member is attached at one end to the remote hull member, the mid-portion of the tension member is engaged with the other end of the structural member and the other free tension member end is free and includes handgrip means. When an associated catamaran needs to be righted, the free end of the tension member may be gripped by a person in the water and pulled downwardly upon by that person for the purpose of righting the catamaran, the structural member and tension member serving to establish a lever arm extending appreciably outwardly of the underside of the catamaran being righted and thereby enabling a downward force of less than 100 pounds on the tension member to be effective in righting a typical catamaran usually requiring the weight of a person weighing between 185 and 230 pounds utilizing a conventional righting strap or line passed over the upper hull of a catamaran to be righted.
REFERENCES:
patent: 3865061 (1975-02-01), Newman
Blix Trygve M.
Brahan Thomas J.
Jacobson Harvey B.
O#Brien Clarence A.
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