Rolling Brush of Cleaning Robot

1 . 1 : Front view of a rolling brush of cleaning robot showing a first embodiment of the new design;

1 . 2 : Back view thereof;

1 . 3 : Left view thereof;

1 . 4 : Right view thereof;

1 . 5 : Top view thereof;

1 . 6 : Bottom view thereof;

1 . 7 : Perspective view thereof;

2 . 1 : Front view of a rolling brush of cleaning robot showing a second embodiment of the new design;

2 . 2 : Back view thereof;

2 . 3 : Left view thereof;

2 . 4 : Right view thereof;

2 . 5 : Top view thereof;

2 . 6 : Bottom view thereof; and

2 . 7 : Perspective view thereof.