Circular knitting machine
FIG. 1 is a top perspective view of a circular knitting  machine showing our new design; 
     FIG. 2 is a front perspective view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a front elevational view thereof; 
     FIG. 5 is a bottom view thereof; 
     FIG. 6 is a rear elevational view thereof; and 
     FIGS. 7 and 8 are opposite end views thereof.