Patent ID: 6081959
Filing Date: 2000-07-04
Classification: B24D

Abstract:
In an apparatus for releasable attaching a rotatable surface finishing pad having a surface-finishing face and an opposing mounting face to a stiff backing mount, the improvement wherein said surface finishing pad is provided with an axially aligned centering post of uniform outer cross-sectional configuration throughout having a first end and a second end, the second end projecting from said mounting face of said pad, and an axially aligned socket defined in said stiff backing mount and formed with a uniform inner cross section to snugly receive said centering post of said surface finishing pad therewithin,wherein the first end of the centering post is embedded in the finishing pad between the finishing face and the mounting face,wherein the finishing pad comprises a plurality of plastic layers located below the mounting face, andwherein at least one of the plurality of plastic layers is positioned above the first end of the centering post and at least one of the Plurality of plastic layers is positioned below the first end of the centering post.