Patent ID: 7104725
Filing Date: 2006-09-12
Classification: B28B,E04F

Abstract:
1. A concrete finishing attachment for final finishing of concrete using a portable hand power tool, comprising: a. a hub, having a frustrum shape with solid top and sides and open bottom and interior, and an outer edge disposed at the bottom of the conical side, said hub further having an aperture disposed centrally in the top of the hub; b. an annular stabilizing disk, comprising a circular disk having inner and outer edges with concentric radii of curvature, wherein said inner edge of the annular disk communicates with the outer edge of said hub, and further comprising a lower surface; c. a plurality of vanes disposed radially on the lower surface of the annular disk, each said vane having a radial trailing edge, wherein each vane is comprised of a mounting section, an inclined tab and a finishing blade, and wherein the inclined tab is obliquely disposed to the mounting section and the finishing blade is disposed obliquely to the inclined tab, and wherein the mounting section engages with the lower surface of the annular stabilizing disk.