FIG. 1 is a top plan view thereof showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being identical;

FIG. 3 is a front elevational view thereof, the rear view being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a section of FIG. 5 along line 6--6 thereof; and,

FIG. 7 is perspective view thereof.