Chuck
FIG. 1 is a side view of a chuck in accordance with an embodiment of the present invention; 
     FIG. 2 is a bottom view of the chuck illustrated in FIG. 1; 
     FIG. 3 is a top view of the chuck illustrated in FIG. 1; 
     FIG. 4 is a perspective view of the chuck illustrated in FIG. 1; and, 
     FIG. 5 is a perspective view of a chuck illustrated in FIG. 1.