A self-propelled, dust-collecting robot includes a main-body part including a dust collection box, and a first battery pack, which has a case, at least one battery cell in the case, a control circuit board having a controller mounted in the case, and a discharge terminal. The main body part includes a first battery pack mount having a connector to which the first battery pack is removably connectable. The first battery pack is configured for use in an electric power tool.

A vacuum filter bag includes an inlet flange and gasket and a plug. The inlet flange includes axial ribs and recesses which improve the seal between the inlet gasket and a vacuum inlet port and prevent accidental removal of the filter bag from the vacuum inlet port. The plug more securely closes the filter inlet opening after use of the filter bag. The filter bag reduces user exposure to dust and debris captured with a vacuum and is particularly suited for minimizing exposure to hazardous materials.

A device for introducing openings into a disposal bag for a vacuuming device, wherein the vacuuming device has a suction head and a collecting tank. The includes components that are configured in a manner corresponding to one another, wherein the components of the device that are configured in a manner corresponding to one another include an open structure, wherein the open structure is designed to effect pressure equalization between a first region and a second region of the collecting tank. Within the meaning of the invention, it is preferred for the proposed device to include a punch and a die, wherein the punch is arranged in the suction head and the die is arranged in the collecting tank. In a second aspect, the invention relates to a vacuuming device that includes at least one proposed device. In a further aspect, the invention relates to a method for introducing openings into a disposal bag for a vacuuming device.

A vacuum cleaner device is provided that comprises an automated disposable container device configured to place an unused disposable container for collecting vacuumed debris. In accordance with some embodiments, the vacuum cleaner device may be advantageous for collecting pet waste.

The present invention discloses a portable vacuum cleaner having a rotatable vacuum assembly. The vacuum cleaner comprises a nozzle assembly including a nozzle cavity, a canister assembly pivotally connected to the nozzle assembly, a dust bag mounted to the canister assembly, a dirty air pathway providing fluid communication between the nozzle cavity and the dust bag and a suction generator for generating a vacuum that draws dirt and debris from the nozzle cavity to the dust bag. The nozzle assembly having a nozzle mount rotatably coupled to the canister assembly to spin about a rotation axis and an angled nozzle rigidly extending from the nozzle mount at an acute angle to the rotation axis. The nozzle assembly is adapted to rotate and could move back and forth for effective collection of dirt and debris.

A disposal bag for a vacuuming device, wherein the disposal bag has a pressure equalization matrix. The pressure equalization matrix has openings that are designed to effect pressure equalization between a first region and a second region of a collecting tank of the vacuuming device. The vacuuming device can preferably be a construction site vacuum cleaner, wherein the collecting tank of the vacuuming device is designed to receive the disposal bag and the dust sucked in by the vacuuming device is collected and contained in the disposal bag. A method for producing a disposal bag, and to the use thereof in a vacuuming device is also provided.

A cleaning apparatus may include a vacuum cleaner with a dust collecting chamber; and a dust collecting station that is connectable to the vacuum cleaner through a seating portion with an opening in the front of the dust collecting station so. A controller is configured to, when the dust collecting chamber is seated on the seating portion, control a driving device to open the dust collecting chamber so that the opening of the seating portion communicates with the dust collecting chamber opening, and control a suction device to suction foreign substances in the dust collecting chamber through the dust collecting chamber opening, and the opening of the seating portion, and into a dust bag in the dust collecting station. A panel at the front of the dust collecting station may be opened to provide an opening at the front of the dust collecting station through which the dust bag is withdrawable.

A method of cleaning a floor comprises providing an autonomous surface cleaning apparatus, positioning a plurality of docking stations at different locations on the floor wherein a first docking station has an absence of an evacuation mechanism and actuating the autonomous surface cleaning apparatus whereby the autonomous surface cleaning apparatus travels across the floor to clean at least a portion of the floor and recharges at the first docking station.

A hatch mechanism for a pre-separator 120, the mechanism comprising an aperture having a perimeter arranged in a plane, and at least three elongated obturator elements pivotably attached along the perimeter at respective hinge ends, each obturator element comprising a distal end arranged opposite to the hinge end along the extension direction of the obturator element, wherein adjacent obturator elements arranged along the perimeter are connected by foldable joining members arranged to guide the distal ends to a common intersection point distanced from the plane, whereby the obturator elements are arranged to fold about respective hinge ends to a position of mutual support to close the hatch mechanism.

A power supply arrangement for a suction device is provided, which is optionally operable using direct current or alternating current, including a first connection connectible to a direct current source, a second connection connectible to an alternating current source, a third connection connectible to a consuming unit of the suction device, an electrically isolated converter connected on the input side to the first connection, and a switchover device connected to an output of the converter, the second connection and to the consuming unit, wherein the switchover device allows selection of whether the consuming unit is actively connected to the converter or the second connection for power supply, and wherein the switchover device has one or more components each with an electrical safety clearance that is at least 4 mm in respect of the creepage distance and the total of the creepage distances of the components is at least 8 mm.