FIG. 1 is a top and side perspective view of a first embodiment of a hammer drill of the present invention;
FIG. 2 is a first side view thereof;
FIG. 3 is a second side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a top and side perspective view of a second embodiment of a hammer drill of the present invention;
FIG. 9 is a first side view thereof;
FIG. 10 is a second side view thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a rear view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.