Patent ID: 6668484
Filing Date: 2003-12-30
Classification: A01G

Abstract:
An edging system comprising (a) one or more straight units, (b) one or more curved units and (c) one or more corner units, said units being adapted for arrangement in end-to-end relationship, each said unit having a connecting face at each of its ends comprised of a vertical groove and a vertical rib such that the rib on each connecting face of any of said units fits within the groove in the connecting face of any other said unit to maintain the units in end-to-end alignment with one another, each said connecting face having substantially the same thickness, all of the connecting faces of all of said units connecting with any connecting face of any other said unit; and each of said curved units having a concave surface and a convex surface, the concave and convex surfaces having the same curvature such that a plurality of curved units may be nested together with the concave surface of each unit engaging flush against the convex surface of the next adjacent units and each of said curved units being thicker at its mid-portion than at its ends.