The ornamental design for a dustcleaningbrush, as shown and described.
FIG. 1 is a bottom and rear perspective view of a dust cleaning brush showing my new design;
FIG. 2 is a top and front perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof, shown enlarged in scale; and,
FIG. 8 is a bottom plan view thereof, shown enlarged in scale.
The inside of the brush handle is hollow, so in the bottom view, the bottom of the bristle can be seen, that is, the plurality of smallest round holes in FIG. 8.