I claim the ornamental design for a support bracket for troffer-type light fixture, as shown and described.
FIG. 1 is a perspective view of a support bracket for troffer-type light fixture showing my new design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a front side view thereof;
FIG. 7 is a back side view thereof; and,
FIG. 8 is another perspective view, showing the support bracket for troffer-type light fixture in an environment of use, including and additional support bracket for troffer-type light fixture.
The broken lines shown on the drawings depict environment and form no part of the claimed design.