Patent ID: 7380802

Claim:
A sliding recreational device comprising: a body having a top surface and a bottom surface and an outer perimeter configured to form a passenger occupancy area; a sliding pan having opposed top and bottom faces, said top face attached to said bottom surface of the body, said bottom face of the sliding pan having a pattern of raised and lowered areas on it, wherein said pattern is in the form of rounded grooves, said rounded grooves comprising: a parallel pattern of undulating sequential concave and convex curved arcs intersecting at tangent points, each of said arcs having a radius and an axis of the radius, whereby, if two construction lines are drawn through the tangent points of any two successive tangents, the included angle formed where the construction lines intersect the axis of the radius is 90°; a cushioning pad attached within said passenger occupancy area; and a seating platform attached to said top surface of the body.