Automatic Cleaning Brush

FIG. 1 is a first perspective view of an automatic cleaning brush showing my new design; FIG. 2 is a second perspective view thereof; FIG. 3 is a front view of FIG. 1 ; FIG. 4 is a rear view of FIG. 1 ; FIG. 5 is a left side view of FIG. 1 ; FIG. 6 is a right side view of FIG. 1 ; FIG. 7 is a top plan view of FIG. 1 ; FIG. 8 is a bottom plan view of FIG. 1 ; FIG. 9 is a right side view of its usage state thereof; FIG. 10 is a right side view of its usage state when the telescopic tube elongation thereof; FIG. 11 is an enlarged view of portion 11 shown in FIG. 1 ; FIG. 12 is an enlarged view of portion 12 shown in FIG. 1 ; and, FIG. 13 is an enlarged view of portion 13 shown in FIG. 1 . The broken lines in the drawings depict portions of the automatic cleaning brush that form no part of the claimed design.