FIG. 1 is a perspective view of a first variant of the design, from above;
FIG. 2 is a first end elevational view of the first variant;
FIG. 3 is a first side elevational view of the first variant;
FIG. 4 is a second side elevational view, opposed to the first side view;
FIG. 5 is a second end view, opposed to the first end view of FIG. 2;
FIG. 6 is a plan view of the first variant, from above;
FIG. 7 is a plan view from below of the first variant;
FIG. 8 is a perspective view of a second variant of the design, from above;
FIG. 9 is a first end elevational view of the second variant;
FIG. 10 is a first side elevational view of the second variant;
FIG. 11 is a second side elevational view, opposed to the second view;
FIG. 12 is a second end view, opposed to the second end view of FIG. 9;
FIG. 13 is a plan view of the second variant, from above;
FIG. 14 is a plan view from below of the second variant;
FIG. 15 is a perspective view of a third variant of the design, from above;
FIG. 16 is a first end elevational view of the third variant;
FIG. 17 is a first side elevational view of the third variant;
FIG. 18 is a second side elevational view, opposed to the side view of FIG. 17;
FIG. 19 is a second end view, opposed to the end view of FIG. 16;
FIG. 20 is a plan view of the third variant, from above;
FIG. 21 is a plan view from below of the third variant;
FIG. 22 is a perspective view of a fourth variant of the design, from above;
FIG. 23 is a first end elevational view of the fourth variant;
FIG. 24 is a first side elevational view of the fourth variant;
FIG. 25 is a second side elevational view, opposed to the side view of FIG. 24;
FIG. 26 is a second end view, opposed to the end view of FIG. 23;
FIG. 27 is a plan view of the fourth variant, from above;
FIG. 28 is a plan view from below of the fourth variant;
FIG. 29 is a perspective view of a fifth variant of the design, from above;
FIG. 30 is a first end elevational view of the fifth variant;
FIG. 31 is a first side elevational view of the fifth variant;
FIG. 32 is a second side elevational view, opposed to the side view of FIG. 31;
FIG. 33 is a second end view, opposed to the end view of FIG. 30;
FIG. 34 is a plan view of the fifth variant, from above; and,
FIG. 35 is a plan view from below of the fifth variant.