Grinding wheel

Abstract

A grinding wheel has a base ring, a positioning disk disposed on the base ring, a grinding cloth assembly disposed on the positioning disk, and an upper ring disposed on the grinding cloth assembly. The positioning disk has an upper annular flange and a circular hole. The upper ring has a round hole. The grinding cloth assembly has a first grinding cloth disk, a second grinding cloth disk, and a third grinding cloth disk adhered together. The upper annular flange passes through the first grinding cloth disk, the second grinding cloth disk, and the third grinding cloth disk to be inserted in the round hole of the upper ring.

I claim:  
     
         1 . A grinding wheel comprises: 
 a base ring, a positioning disk disposed on the base ring, a grinding cloth assembly disposed on the positioning disk, and an upper ring disposed on the grinding cloth assembly,    the base ring having a center hole,    the positioning disk having an upper annular flange and a circular hole,    the upper ring having a round hole,    the grinding cloth assembly having a first grinding cloth disk, a second grinding cloth disk disposed on the first grinding cloth disk, a third grinding cloth disk disposed on the second grinding cloth disk, and the first grinding cloth disk, the second grinding cloth-disk, and the third grinding cloth disk interlapped together,    the first grinding cloth disk having a first through hole, a plurality of first radiated fissures, and a plurality of first splinters,    the second grinding cloth disk having a second through hole, a plurality of second radiated fissures, and a plurality of second splinters,    the third grinding cloth disk having a third through hole, a plurality of third radiated fissures, and a plurality of third splinters, and    the upper annular flange passing through the first through hole of the first grinding cloth disk, the second through hole of the second grinding cloth disk, and the third through hole of the third grinding cloth disk to be inserted in the round hole of the upper ring.    
     
     
         2 . The grinding wheel as claimed in  claim 1 , wherein the first splinters, the second splinters, and the third splinters are interlapped and adhered together.