Hair Collector of Rolling Brush for Cleaning Robot

2 . 1 is a front view of a hair collector of rolling brush for cleaning robot showing our new design; 2 . 2 is a back view thereof; 2 . 3 is an enlarged view of part A shown in 2 . 2 ; 2 . 4 is a left view thereof; 2 . 5 is a right view thereof; 2 . 6 is a top view thereof; 2 . 7 is an enlarged view of 2 . 6 ; 2 . 8 is a bottom view thereof; 2 . 9 is an enlarged view of 2 . 8 ; 2 . 10 is a perspective view thereof; 2 . 11 is an enlarged view of part B shown in 2 . 10 . The broken lines in the reproductions depict portions of the hair collector of rolling brush for cleaning robot that form no part of the claimed design.