The ornamental design for a mountingdevice, as shown and described.
FIG. 1 is a perspective view of a mounting device of the claimed invention, showing the legs of the tripod being folded inward within the trough of the mounting device.
FIG. 2 is a top plan view of the mounting device of FIG. 1.
FIG. 3 is a bottom plan view of the mounting device of FIG. 1.
FIG. 4 is a right side elevation view of the mounting device of FIG. 1.
FIG. 5 is a left side elevation view of the mounting device of FIG. 1.
FIG. 6 is a front side elevation view of the mounting device of FIG. 1.
FIG. 7 is a back side elevation view of the mounting device of FIG. 1; and,
FIG. 8 is a perspective view of a mounting device of the claimed invention, showing the legs of the tripod extended.
The broken lines are for illustrative purposes only and form no part of the claimed design.