Importance

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Abstract

In order to make possible a 'self-docking' of a floating dock, the dock is divided into a middle pontoon and two end pontoons, which are interconnectable in alternative positions in the vertical direction, so either the middle pontoon, or the end pontoons may be lifted out of the water. The pontoons are held together by bolts, which are accessible from cofferdam-like spaces, formed when two pontoons are fitted together, and which may be maintained watertight. Male and female coupling members are furthermore provided to secure the pontoons in their two operative positions. During a disconnecting and connecting operation the pontoons are guided by rigid link arms, chains or the like.

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First Claim