Surfboard for surfer of e.g. small waves, has tail fin fixed at rear and in extension of board, where fin has two fins articulated around notched axles and female part with two pushbuttons to be placed in two holes of male part of board

摘要

The surfboard has a board and a tail fin (L) fixed at the rear and in the extension of the board. The fin has two fins, each articulated around a notched axle. The axle has tail fin has a male part (J) provided to cooperate with a female part (I) located at the rear of the board. The part (I) has two pushbuttons (C) to be placed in two holes (B) on the part (J) of the board, so that the two parts (J, I) are locked.