The ornamental design for a trolleyassembly, as shown and described.
FIG. 1 is a front view of a trolley assembly;
FIG. 2 is a back view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a perspective view thereof with all parts assembled; and,
FIG. 7 is a perspective view thereof with all parts disassembled.
The claim is directed to the collective appearance of the articles shown, namely a trolley assembly. The two side views are symmetrical, and thus only one is shown. The dashed lines in FIGS. 3, 6, and 7 represent claimed stitching.