Impact drive sprinkler
FIG. 1 is a perspective view of an impact drive sprinkler embodying our new design; 
     FIG. 2 is a left side elevational view thereof; 
     FIG. 3 is a front elevational view thereof; 
     FIG. 4 is a rear elevational view thereof; 
     FIG. 5 is a top plan view thereof; 
     FIG. 6 is a bottom plan view thereof; 
     FIG. 7 is a right side elevational view thereof; 
     FIG. 8 is a perspective view of a modified form of the impact drive sprinkler shown in FIG. 1; 
     FIG. 9 is a left side elevational view of FIG. 8; 
     FIG. 10 is a front elevational view of FIG. 8; 
     FIG. 11 is a rear elevational view of FIG. 8; 
     FIG. 12 is a top plan view of FIG. 8; 
     FIG. 13 is a bottom plan view of FIG. 8; and 
     FIG. 14 is a right side elevational view of FIG. 8.