Abstract: A floor cleaning machine is provided, comprising a suction unit device, a suction bar which is operatively connectable, or operatively connected, to the suction unit device for fluid communication therewith, a holder which releasably holds the suction bar, a fixing device for releasably fixing the suction bar at the holder, and an overload protection device which is associated with the suction bar, wherein the overload protection device comprises at least one rotational bearing by way of which the suction bar is rotatable at the holder relative to the holder when an overload situation occurs.

Abstract: A floor cleaning apparatus is provided. The floor cleaning apparatus includes a liquid container, which includes a container wall and a container inner space, a tank rinsing device, which includes an inlet and outlets that are in flow connection therewith, through which outlets rinsing liquid is dispensable into the container inner space, wherein the tank rinsing device includes a rinsing channel that is able to be acted upon by way of the inlet and that comprises a first channel part and a second channel part joined thereto, said channel parts forming between them a channel inner space of the rinsing channel, which can be flowed through by the rinsing liquid, and wherein the outlets are arranged on the second channel part and are flow connected to the channel inner space.