FIG. 1 is a front perspective view of the design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a cross-sectional view taken along the line 6—6 of FIG. 2 and viewed in the direction of the arrows;
FIG. 7 is an enlarged fragmentary cross-sectional view taken from FIG. 6; and,
FIG. 8 is a left side elevational view.
Broken lines in the drawing form no part of the design to be patented.