FIG. 1 is a perspective view from the top-left of the guard and hinge structure in a first state;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and
FIG. 8 is a perspective view from the bottom-left thereof;
FIG. 9 is a perspective view from the top-right of the guard and hinge structure in a second state;
FIG. 10 is a front view thereof;
FIG. 11 is a back view thereof;
FIG. 12 is a right side view thereof;
FIG. 13 is a left side view thereof;
FIG. 14 is a top view thereof;
FIG. 15 is a bottom view thereof; and,
FIG. 16 is a perspective view from the bottom-left of the guard and hinge structure in a second state.
The features shown in broken lines are for the purpose of illustrating portions of the article that form no part of the claimed design.