Patent ID: 7185396

Claim:
A brush of a cleaner comprising: a rotation shaft rotatably supported at a lower surface of a body; a brush hub fixed to the rotation shaft; and brush hair mounted at an outer circumference surface of the brush hub to sweep dust and contamination of a floor, wherein the brush hair comprises: a first row divided into a first hair portion which is not contacted with a floor and a second hair portion which is contacted with the floor; a second row sequentially arranged with the first row, and divided into a first hair portion which is contacted with the floor by facing to the first hair portion of the first row and a second hair portion which is not contacted with the floor by facing to the second hair portion of the first row; and the second hair portion of the first row of the brush hair is located at a center of the brush hub thus to be contacted with the floor, and the first hair portion of the first row is located at both sides of the brush hub and formed to be lower than the second hair portion.