Rolling Brush for a Cleaning Robot

1 . 1 is a front view of a first rolling brush for a cleaning robot;

1 . 2 is a back view thereof;

1 . 3 is a left view thereof;

1 . 4 is a right view thereof;

1 . 5 is a top view thereof;

1 . 6 is an enlarged view of 1 . 5 ;

1 . 7 is a bottom view thereof;

1 . 8 is an enlarged view of 1 . 7 ;

1 . 9 is a top perspective view thereof;

1 . 10 is a bottom perspective view thereof;

1 . 11 is another bottom perspective view thereof;

1 . 12 is an enlarged view of part A marked in 1 . 9 ;

1 . 13 is an enlarged view of part B marked in 1 . 11 ;

2 . 1 is a front view of a second rolling brush for a cleaning robot;

2 . 2 is a back view thereof;

2 . 3 is a left view thereof;

2 . 4 is a right view thereof;

2 . 5 is a top view thereof;

2 . 6 is an enlarged view of 2 . 5 ;

2 . 7 is a bottom view thereof;

2 . 8 is an enlarged view of 2 . 7 ;

2 . 9 is a top perspective view thereof;

2 . 10 is a bottom perspective view thereof;

2 . 11 is another bottom perspective view thereof;

2 . 12 is an enlarged view of part A marked in 2 . 9 ; and

2 . 13 is an enlarged view of part B marked in 2 . 11 .