Patent ID: 7410395

Claim:
A parent-child type boat comprising a relatively large parent boat and at least one child boat which is smaller than the parent boat, the parent boat being equipped with an electric propulsion device and a generating device, the child boat being equipped with a battery and an electric propulsion device, the child boat being configured to be electrically connectable to the generating device such that power can be supplied to at least one of the battery and the electric propulsion device of the child boat from the generating device of the parent boat, wherein the parent boat comprises at least two generally slot-shaped docking portions, each of the generally slot-shaped docking portions being configured to receive at least a bow portion of the at least one child boat such that each of the generally slot-shaped docking portions extend from one side of the at least one child boat, around the bow and to an opposite side of the child boat and with the propulsion unit of the child boat remaining in contact with water in which the parent boat is floating when the child boat is received within the generally slot-shaped docking portion such that the child boat can propel the parent boat while in the generally slot-shaped docking portion.