Abstract: A battery-operated backpack suction appliance, including a collection container, a technical unit connected to the collection container in an operating position of the suction appliance, and a backpack device connected to at least one of the collection container and the technical unit in the operating position for the suction appliance to be worn on the back of an operator, wherein the collection container is made of a foamed plastic material and wherein the collection container is configured to be removable from the technical unit in a toolless manner is disclosed.

Abstract: A cleaning machine is provided, including at least one cleaning roller, a roller housing having a roller receptacle for the at least one cleaning roller, wherein the at least one cleaning roller is exchangeably positioned on the roller housing and the roller receptacle has an opening to the outside, a lid for closing the opening, and a locking device for fixing the lid to the roller housing, wherein at least one convex holding body is arranged on the roller housing, in that a pivotable bracket is arranged on the lid, in that at least one receptacle for the at least one holding body is arranged on the pivotable bracket, and wherein a release position of the pivotable bracket, the at least one holding body can dip into and/or exit the associated receptacle, and in a locking position, an exit of the holding body from the associated receptacle is blocked.

Abstract: A cleaning machine is provided, including at least one cleaning roller, a roller housing having a roller receptacle for the at least one cleaning roller, wherein the at least one cleaning roller is exchangeably positioned on the roller housing and the roller receptacle has an opening to the outside, a lid for closing the opening, and a locking device for fixing the lid to the roller housing, wherein at least one convex holding body is arranged on the roller housing, in that a pivotable bracket is arranged on the lid, in that at least one receptacle for the at least one holding body is arranged on the pivotable bracket, and wherein a release position of the pivotable bracket, the at least one holding body can dip into and/or exit the associated receptacle, and in a locking position, an exit of the holding body from the associated receptacle is blocked.

Abstract: A sweeping vehicle is provided including a disc brush and a holding device for the disc brush, the holding device having a holding part and a holding arm pivotably connected to the holding part, the holding device held on the vehicle by the holding part, and the disc brush held on the holding arm. The vehicle includes an adjusting device having an adjustment member of variable length engaging the holding arm, the holding arm being pivotable relative to the holding part upon change in length of the adjustment member. The holding device includes a brush carrier pivotably mounted on the holding arm and a coupling device coupling the brush carrier to the adjusting device, the brush carrier being pivotable relative to the holding arm upon change in length of the adjustment member for pivoting the disc brush about a pivot axis aligned at a slant to the axis of rotation.

Abstract: A sweeping vehicle is provided including a disc brush and a holding device for the disc brush, the holding device having a holding part and a holding arm pivotably connected to the holding part, the holding device held on the vehicle by the holding part, and the disc brush held on the holding arm. The vehicle includes an adjusting device having an adjustment member of variable length engaging the holding arm, the holding arm being pivotable relative to the holding part upon change in length of the adjustment member. The holding device includes a brush carrier pivotably mounted on the holding arm and a coupling device coupling the brush carrier to the adjusting device, the brush carrier being pivotable relative to the holding arm upon change in length of the adjustment member for pivoting the disc brush about a pivot axis aligned at a slant to the axis of rotation.