초록 ▼

Catamaran boat dollies are provided, one for each of the hulls of a catamaran, for moving the catamaran along a beach or other supporting surface. Each dolly has a cradle mounted on a single wheel, the axis of the wheel axle declining outwardly from the cradle to define an included angle with the ve

Catamaran boat dollies are provided, one for each of the hulls of a catamaran, for moving the catamaran along a beach or other supporting surface. Each dolly has a cradle mounted on a single wheel, the axis of the wheel axle declining outwardly from the cradle to define an included angle with the vertical of approximately 75°. Longitudinal bars of the cradle embrace opposite sides of the associated hull, and the disposition of the wheel and its axle results in a bending or rotational moment which causes the cradle to clampingly engage the hull. Because of the shape of a fourteen or sixteen foot “Hobie”type hull, the catamaran will remain in satisfactory engagement with the dollies as it is moved across the surface, but is preferably provided with a tie-down band for retaining the dolly in place as the catamaran is moved into or out of the water. For a “Sizzler”or “Prindle”type hull the cradle has opposed bars which engage opposite sides of a metal keel, and a tie-down band is provided for preventing the hulls from bouncing from between these bars. A protective coating such as polyvinyl-chloride preferably covers the cradle and other parts of the dolly to protect metal of the dolly and to protect the hulls from abrasion.

대표청구항 ▼

A catamaran boat transportation system, comprising in combination: a first and a second dolly for a first and a second catamaran hull respectively; said first and second dollies comprising a first and second rigid cradle means for receiving opposite side of the first and second catamaran hull respec

A catamaran boat transportation system, comprising in combination: a first and a second dolly for a first and a second catamaran hull respectively; said first and second dollies comprising a first and second rigid cradle means for receiving opposite side of the first and second catamaran hull respectively; a first and a second wheel for respectively supporting said first and second cradle means; means for mounting said first and second wheels to said first and second cradle means to be disposed on one side of each of the first and second catamaran hulls creating rotational moments in said first and second cradle means enabling said first and second cradle means to clamp engage opposite sides of the first and second catamaran hulls respectively.