Mounting adapter for concrete surface processing tools

Abstract

A mounting adapter for rotatably mounting a tool holding body having first and second surfaces on at least one spider arm of a motor driven rotatable spider assembly of a surface processing apparatus, said mounting adapter comprising: bearing means supported by said second surface; a first aperture extending centrally through said first and second surfaces; a rubber flex pad having a second aperture in vertical registry with and beneath said first aperture; means supporting said rubber flex pad along its periphery and having a third aperture in vertical registry with and beneath said second aperture; an end plug within said third aperture for closing the second aperture, said end plug supporting said flex pad from beneath said third aperture; said rotatable hub of said bearing means including attachment means in the upper portion thereof for facilitating non rotatable attachment to a mounting means adapted for attachment to said spider arm.

Dependencies are inferred from the claim text.