To prevent erroneous use and to simultaneously enable the suction of dust and wiping cleaning on a surface to be cleaned.

At a main body 1 of sucker having a rotary brush and a motor 12 for rotary brush drive, a safety switch 37 is provided for cutting off electrification to the motor 12 by detecting the separation of the main body 1 of sucker from the surface to be cleaned, a wiping member 33 is freely attachably and detachably mounted on the bottom face of the main body of sucker and when the wiping member 33 is mounted on the bottom face of the main body 1 of sucker, the wiping member 33 is positioned lower than a rotary roller 38 of the safety switch 37.