Patent ID: 7025644

Claim:
A riverboard system for use on water flowing with respect to an anchor, said riverboard system comprising: (a) a board member which is buoyant in water, said board member having a concave upper surface, a convex lower surface, a convex front and two non-parallel sides extending from the front to a rear, said two non-parallel sides having symmetry each to the other through an orthogonal plane that intersects a centerline of said board member longitudinally, and a single point of attachment within the front third of said board member, said point of attachment lying on the centerline; and (b) an elongated resilient tether member having an inherent property of flotation, said tether member comprising a braid of at least three elastomeric tubular elements having first and second ends, wherein said first ends are connected to said single point of attachment and said second ends are adapted for a connection to the anchor.