Patent Publication Number: US-D487279-S

Title: Rotary grinding stone

Description:
FIG. 1 is a perspective view of a first embodiment of a rotary grinding stone having a centrally disposed hole according to the new design. 
     FIG. 2 is a top view of the rotary grinding stone of FIG. 1, the bottom view being a mirror image thereof; 
     FIG. 3 is a right side view of the rotary grinding stone of FIG. 1, the left side view being a mirror image thereof; 
     FIG. 4 is a front view of the rotary grinding stone of FIG. 1, the rear view being a mirror image thereof; and, 
     FIG. 5 is a cross-sectional view of the rotary grinding stone of FIG. 2 taken at section 5—5.