The ornamental design for a cage for the supportrollers of a slidingwindow or similararticle, as shown.
FIG. 1 is a perspective view of a cage for the support rollers of a sliding
window or similar article showing my new design, looking toward one side
and end thereof; and
FIG. 2 is a perspective view thereof looking toward the same side and
opposite end thereof.
The opposite side is a mirror image of the one side. The interior of the
article is plain.