TWI698212B

The invention relates to a vacuum cleaner and a method for operating a vacuum cleaner. The vacuum cleaner according to the invention is provided with a suction nozzle for sucking dirt and / or dust, in particular coarse material and/or fine dust, from a bottom by means of a suction air flow and a manual part for manual movement of the suction nozzle over the bottom, wherein the suction nozzlecomprises a housing, a suction space formed within the housing with a bottom opening, which can be moved relative to the underside of the suction nozzle by means of an actuator, into the suction space Wherein the distance between the suction mouth and the base is at least partially increased by an extension of the support element, and the distance of the suction mouth from the floor is at least partially reduced by retraction of the support element. The actuator can be controlled by means of a manually operable switch arranged on the handpiece. Thus, such a vacuum cleaner is provided, which makes it possible to adapt its