Aquatic swimming aid

An aquatic swimming aid comprising spaced-apart floats, a rigid, elongate support structure and means connecting the ends of the support structure to the floats, said rigid, elongate support structure comprising a relatively long, flat wooden board wider than thick, said board having along one edge longitudinally-spaced slots, three in number, arranged symmetrically, two long slots and intermediate the long slots a short slot and at the other edge a slot shorter than the intermediate slot at the one edge, said slots being parallel to their respective edges, said means attaching the ends of the support structure to the floats comprising in combination openings in the confronting faces of the floats for snugly receiving the ends of the board partway but not all the way through, spaced through holes perpendicular to the openings, at least two of such holes passing through the openings, said board having in the end portions occupying the openings pairs of holes corresponding in spacing to said through holes, reinforcing members at the top and bottom sides of the floats overlying the holes, said reinforcing members containing holes corresponding in spacing to the through holes in the floats and bolts headed at one end and provided with nuts at their other ends extending through the reinforcing members, ends of the board and floats, securing the ends of the board to the floats.