The ornamental design for a couplingassembly, as shown and described.
FIG. 1 is a side elevational view of a coupling assembly showing my design;
FIG. 2 is an end elevational view taken from the left of FIG. 1; and
FIG. 3 is an exploded perspective view thereof;
FIG. 4 is an exploded perspective view of the coupling assembly showing the
male and female coupling members thereof rotated about their common axes
90° with respect to the assembled position thereof shown in FIGS.
1-3.
The side of the coupling assembly opposite from that shown in FIG. 1 is the
same as that shown in FIG. 1.