Backing plate for a buffing pad

Abstract

A backing plate for a buffing pad is comprised of a substantially circular disc having first and second surfaces that are adapted to be connected to the nonworking faces of first and second buffing media to form a two-sided buffing pad. The disc has a central hub with an axial opening therein that is adapted to connect the plate to a shaft of a power buffer. The opening is essentially hexagonally shaped in that it is formed of six straight walls. The ends of adjacent walls are spaced apart from each other by circular recesses and do not directly connect to each other.

1 . A backing plate for a buffing pad comprising:
 a substantially circular disc having a first surface adapted to be connected to the nonworking face of a first buffing medium;   said disc having a central hub with an axial opening therein adapted to connect said backing plate to a shaft of a power buffer;   said opening being formed of a plurality of straight walls, wherein the ends of adjacent walls are spaced from each other and do not directly connect to each other.   
     
     
         2 . The backing plate for a buffing pad of  claim 1  wherein the space between the ends of adjacent walls is formed by a circular recess. 
     
     
         3 . The backing plate for a buffing pad of  claim 1  wherein said disc has a second surface adapted to be connected to the nonworking face of a second buffing medium so as to form a two-sided buffing pad. 
     
     
         4 . The backing plate for a buffing pad of  claim 1  wherein said opening is formed of six walls arranged in a substantially regular hexagonal pattern. 
     
     
         5 . The backing plate for a buffing pad of  claim 1  wherein the straight walls forming the axial opening of the central hub have a groove that circumscribes the opening. 
     
     
         6 . The backing plate for a buffing pad of  claim 1  wherein several of the straight walls forming the axial opening of the central hub include a dimple.