Clamping device

FIG. 1 is a front, top and right-side perspective view of a clamping device showing of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The portions shown in broken lines form no part of the claimed design.