We claim the ornamental design for a chair cape assembly, substantially as shown and described.
FIG. 1 is a front perspective view of a chair cape assembly showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is rear elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a top plan view thereof.
The dotted line showings in the drawings of the chair are for the purpose of illustrating environmental structure and form no part of the claimed design and the bottom edge of the cape as shown by dotted lines is an unclaimed edge.