Rib, rigid-hull inflatable boat

Details Rib, rigid-hull inflatable boat Rib, rigid-hull inflatable boat

1994-07-29

1996-06-04

Avila, Stephen

Ships

Boats, boat component, or attachment

Inflatable

114357, 114197, B63B 700

Patent

active

055223389

ABSTRACT:
A RIB, rigid-hull inflatable boat (22) includes an inflatable tube (24) having a general U-shape with a forward end (26) at the bight of the U and trailing sides (28 and 30) extending rearwardly therefrom along the legs of the U. A unitary rotationally molded hull (32) is nested within the tube and has right and left sides (34 and 36) extending along inner surfaces of the tube, and a transom extending between the right and left sides. The hull is detachably secured to the underside of the tube by a mechanical locking device (132) permitting simple detachment and reattachment of the tube to the hull. A recessed channel (188) is provided in a concave surface of the hull engaging the tube and extending around the perimeter of the hull and forming a gutter for draining water aft from the interface between the hull and the tube. The inner sidewalls (208, 212) of the hull extend downwardly and are curved outwardly and below the tube and the respective concave surface to provide an undercut (210, 216 ) to provide a wider beam and increased floor space. A drain (98) extends through the transom and is provided by a pair of threaded members (102, 104) thread tightened to each other, and a one-way valve permitting drainage out of the boat and blocking reverse flow of water into the boat. A forward pocket-configured compartment (82) receives different types of fuel tanks in differing nested orientations. A bunge system (218, 220) holds the tube against the hull sides at the transom. The transom is strengthened by forward splash guards (40, 42) rearward extensions (44, 46), and anti-compression spacers (48, 50).

REFERENCES:
patent: 1079627 (1913-11-01), Adams
patent: 3459150 (1969-08-01), Lunde
patent: 3565031 (1971-02-01), DePersia
patent: 4660497 (1987-04-01), Cochran
patent: 4892054 (1990-01-01), Davidson
patent: 5184564 (1993-02-01), Robbins et al.
"Applications For Rotational Molding", Association of Rotational Molders, ARM-100-589, May 1989.
"Quicksilver Inflatables", Quicksilver Marine Parts and Accessories, Mercury Marine, Brunswick Corp., Brochure Part No. 90-811303-94, 1994.
"Plastic Kayak Construction", Professional Boat Builder, Jun./Jul. 1994, pp. 33-37.
"Plastic Fantastic", Boating Industry, May 1994, pp. 46-50.
Junglas "Material: PE Unsinkbar", Th. Junglas, Mussumer Str. 3, D-46499 Hamminkeln.

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