FIG. 1 is a left side elevational view thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side 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 cross-sectional view taken along with line 7--7 in FIG. 2;

FIG. 8 is a cross-sectional view taken along with line 8--8 in FIG. 2;

FIG. 9 is a cross-sectional view taken along with line 9--9 in FIG. 2; and,

FIG. 10 is a perspective view of the front elevational view of FIG. 2.