FIG. 1 is a top plan view of an embodiment thereof.
FIG. 2 is a bottom plan view of the embodiment shown in FIG. 1.
FIG. 3 is a side elevation view of the embodiment shown in FIG. 1.
FIG. 4 is a top isometric view of the embodiment shown in FIG. 1.
FIG. 5 is a bottom isometric view of the embodiment shown in FIG. 1.
FIG. 6 is a two-piece isometric view of the embodiment shown in FIG. 1.
FIG. 7 is a top plan view of a further embodiment thereof.
FIG. 8 is a bottom plan view of the embodiment shown in FIG. 7.
FIG. 9 is a side elevation view of the embodiment shown in FIG. 7.
FIG. 10 is a top isometric view of the embodiment shown in FIG. 7.
FIG. 11 is a bottom isometric view of the embodiment shown in FIG. 7.
FIG. 12 is a two-piece isometric view of the embodiment shown in FIG. 7.
FIG. 13 is a top plan view of a further embodiment thereof.
FIG. 14 is a bottom plan view of the embodiment shown in FIG. 13
FIG. 15 is a side elevation view of the embodiment shown in FIG. 13.
FIG. 16 is a top isometric view of the embodiment shown in FIG. 13.
FIG. 17 is a bottom isometric view of the embodiment shown in FIG. 13; and,
FIG. 18 is a two-piece isometric view of the embodiment shown in FIG. 13.
The broken line showing of environment in the drawings is for illustrative purposes only and forms no part of the claimed design.