Abstract: A surface cleaning machine is provided, including a cleaning head having at least one driven cleaning roller unit, a dirty fluid reservoir device arranged on the cleaning head, and a scraping guide device for dirty fluid that acts on the at least one cleaning roller unit, wherein the dirty fluid reservoir device has a container device for dirty fluid and a cover device for the container device, wherein a duct device for cleaning liquid is arranged on the cover device, and wherein there is arranged on the cover device an orifice device which is fluidically connected to the duct device and by means of which cleaning liquid is applicable to the at least one cleaning roller unit.

Abstract: A surface cleaning machine is provided, including a cleaning head having at least one driven cleaning roller unit, a dirty fluid reservoir device arranged on the cleaning head, and a scraping guide device for dirty fluid that acts on the at least one cleaning roller unit, wherein the dirty fluid reservoir device has a container device for dirty fluid and a cover device for the container device, wherein a duct device for cleaning liquid is arranged on the cover device, and wherein there is arranged on the cover device an orifice device which is fluidically connected to the duct device and by means of which cleaning liquid is applicable to the at least one cleaning roller unit.

Abstract: A self-propelled, self-steering floor cleaning appliance is provided with at least one cleaning element for cleaning a floor surface, including a drive device having an undercarriage, a sensing part for sensing obstacles, at least one displaceable holding part for holding the sensing part on the floor cleaning appliance and at least one detection element for detecting a displacement of the at least one holding part and for providing a signal relating thereto. The floor cleaning appliance includes at least one accommodating part on which the at least one holding part is held so as to be displaceable in a first and a second direction of displacement, which is aligned at an angle to the first direction of displacement, and the at least one detection element is actuatable by the at least one holding part upon displacement of the holding part in the first and in the second directions of displacement.

Abstract: A self-propelled, self-steering floor cleaning appliance is provided with at least one cleaning element for cleaning a floor surface, including a drive device having an undercarriage, a sensing part for sensing obstacles, at least one displaceable holding part for holding the sensing part on the floor cleaning appliance and at least one detection element for detecting a displacement of the at least one holding part and for providing a signal relating thereto. The floor cleaning appliance includes at least one accommodating part on which the at least one holding part is held so as to be displaceable in a first and a second direction of displacement, which is aligned at an angle to the first direction of displacement, and the at least one detection element is actuatable by the at least one holding part upon displacement of the holding part in the first and in the second directions of displacement.