Coupling Device

FIG. 1 is a left, front perspective view of a couping device in accordance with the present design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

The broken lines shown in the drawings illustrate portions of the coupling device that form no part of the claimed design.