Electric Cleaning Brush

FIG. 1 is a rear, left and bottom perspective view of an electric cleaning brush, showing my new design; FIG. 2 is a front, right and top perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is an enlarged view of portion 9 of FIG. 1 ; and, FIG. 10 is an enlarged view of portion 10 of FIG. 1 . The dash-dash broken lines shown in the drawings illustrate portions of the electric cleaning brush that form no part of the claimed design. The dot-dash broken lines shown in the drawings illustrate boundaries of enlarged view indicators that form no part of the claimed design.