Finn coupling device for attaching a fin to a surfboard

摘要

The invention relates to a fin-coupling device for fastening a fin to a surfboard base, comprising a surfboard-connecting element, a first fin-connecting element and a second fin-connecting element, the fin-coupling device being designed in the form of a fin deflection mechanism so that, when in use, the fin is deflected and the angle of incidence is changed when a force acts transversely upon the fin and the fin is returned to an initial position when there is no force acting transversely upon the fin.