The ornamental design of a rafter connector assembly, as shown and described.
FIG. 1 is a perspective view of a rafter connector assembly showing my new design;
FIG. 2 is a top view thereof, the bottom view being a mirror image;
FIG. 3 is a side view thereof; and,
FIG. 4 is an end view thereof, the opposite end view being a mirror image.
The middle portion of the rod is broken away in FIGS. 1-3 to disclose indefinite length, and the broken lines in FIG. 3 showing rafters are for illustrative purposes only and form no part of the claimed design.