| abstract |
A NON LOADING, SELF-CLEANING ROTARY SURFACE FINISHING ASSEMBLY FOR BOTH GRINDING AND POLISHING OPERATIONS USING THE SAME ABRASIVE GIRT. THE ASSEMBLY INCLUDES A RIGID BACKUP PAD AND A COMPOSITE FRONT PLATE HAVING INTEGRAL FLEXIBLE FINGERS EXTENDING RADIALLY BEYOND AND BACKUP PAD. A PLURALITY OF RADIALLY ARRAYED, OVERLAPING, GENERALLY TAPERED FLAPS, EXTENDING OUT FROM THE FINGERS, ARE CLAMPED IN PLACE BETWEEN THE BACKUP PLATE AND A RIGID CENTRAL PORTION ON THE FRONT PLATE. THE OUTER PERIPHERY AND TRAILING EDGE OF EACH FLAP IS ARCUATE, AND THE TRAILING EDGE PREF- ERABLY HAS A NOTCH NEAR ITS INNERMOST END FOR IMPROVED WEAR LIFE. |