Cleaner head
Agitating apparatus for a surface treating appliance includes a rotatable body having at least one substantially continuous row of bristles extending outwardly therefrom, the bristles having a surface resistivity in the range from 1×10 −5 to 1×10 12 Ω/sq so that static electricity residing on a floor surface to be cleaned is discharged upon contact with the bristles.
1. A floor tool for a surface treating appliance, comprising a suction opening through which a dirt-bearing fluid flow enters the floor tool, and an agitating apparatus comprising a rotatable body, wherein the rotatable body comprises at least one continuous row of carbon fiber bristles extending outwardly from a groove formed in the body and comprises further surface agitating members of a type different than carbon fiber bristles and formed from electrically insulating material, the further surface agitating members being discontinuous.
2. The floor tool of claim 1 , wherein said at least one continuous row is helical.
3. The floor tool of claim 1 , wherein said at least one continuous row comprises a plurality of continuous rows along the body.
4. The floor tool of claim 1 , wherein the bristles have a diameter in the range from 5 to 20 μm.
5. The floor tool of claim 1 , wherein each row of bristles contains in the range from 20 to 100 bristles per mm length.
6. The floor tool of claim 1 , wherein a surface resistivity of the further surface agitating members is different than a surface resistivity of the bristles.
7. The floor tool of claim 1 , wherein a stiffness of the further surface agitating members is different than a stiffness of the bristles.
8. The floor tool of claim 1 , wherein the further surface agitating members are arranged in at least one helical formation along the body.
9. The floor tool of claim 1 , wherein the further surface agitating members are arranged in a plurality of rows along the body.
10. The floor tool of claim 9 , wherein the further surface agitating members comprise bristles or filaments.
11. The floor tool of claim 1 , wherein the further surface agitating members comprise one of a plurality of bristles, a plurality of filaments, and at least one strip of material.
12. The floor tool of claim 1 , wherein the agitating apparatus comprises a rotatable brush bar.
13. The floor tool of claim 1 , comprising a sole plate having the suction opening, and a plurality of support members mounted on the sole plate for supporting the cleaner head on a surface to be cleaned.