I claim the ornamental design for a cover for ankle foot orthosis, as shown and described.
FIG. 1 is a front, right perspective view of the claimed design in use with an ankle foot orthosis;
FIG. 2 is a front perspective view of the claimed design of FIG. 1 with the ankle foot orthosis removed and the claimed design in a planar or mostly planar configuration;
FIG. 3 is a front view of the claimed design of FIG. 2;
FIG. 4 is a rear view of the claimed design of FIG. 2;
FIG. 5 is a right side view of the claimed design of FIG. 2;
FIG. 6 is a left side view of the claimed design of FIG. 2;
FIG. 7 is a top view of the claimed design of FIG. 2; and,
FIG. 8 is a bottom view of the claimed design of FIG. 2.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for the purpose of depicting portions of the article and form no part of the claimed design.