The ornamental design for a track-type luminaire, as shown and described.
FIG. 1 is a front elevational view of the track-type luminaire according to the invention showing the head, its mounting bracket, and its base adapted to fit in an unillustrated track;
FIG. 2 is a left-side elevational view of the track-type luminaire;
FIG. 3 is a rear elevational view of the track-type luminaire;
FIG. 4 is a bottom view of the track-type luminaire;
FIG. 5 is a perspective view from above and to the right of the track-type luminaire;
FIG. 6 is a perspective view from below and to the left of the track-type luminaire; and,
FIG. 7 is a perspective view from below and to the right of the track-type luminaire with its head tipped downward.
The broken line showing of unclaimed portions of the track-type luminaire is included for the purpose of illustrating environmental structure and forms no part of the claimed design.