Ships – Towing or pushing – Coupling means
Patent
1991-11-25
1993-02-23
Basinger, Sherman
Ships
Towing or pushing
Coupling means
114230, B63B 2156
Patent
active
051880547
ABSTRACT:
An apparatus for towing a multi-hull watercraft includes a pair of spaced, rigid, tubular members extending between the rear of a towing craft to a location between the two hulls of the towed watercraft. Swivel connectors having mating members mounted on the towed watercraft and the multi-hull watercraft and on the ends of the first and second tubular members connect the two craft together at a fixed longitudinal distance; but allow vertical, independent movement of the two watercraft relative to each other. A plurality of flexible cables are movably coupled between diagonally opposed ends of the tubular members and a centrally located ring connector to enable each of the watercraft to roll about their respective yaw axis independent of each other and to maintain the spacing between the tubular members constant along their length from the first ends to the second ends.
REFERENCES:
patent: 3257985 (1966-06-01), Glosten
patent: 3353512 (1967-11-01), Mathews et al.
patent: 3568621 (1971-03-01), Kawasaki
patent: 4453487 (1984-06-01), Vinnari
patent: 4947779 (1990-08-01), Grinde
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