US Patent 7147550 Holding apparatus for grinding members

A holding apparatus for grinding members includes two clamping disks that have respectively a plurality of anchor plates and a plurality of anchor slots on different perimeters. The anchor plates and anchor slots may be wedged to form a mechanical interference between the two clamping disks to hold a grinding member securely. The apparatus thus constructed can enhance the structural strength of the grinding member and prevent the grinding member from deforming at high speed rotation.