Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.

Abstract: The present invention relates to an assembling channel of a supporting tool, including: a steel plate which is bent in three layers to configure a central supporting plate, and a wide-width supporting plate and a small-width plate configured at both sides of the central supporting plate; coupling holes formed on each of the supporting plates; cutting portions configured at equal interval on a bent portion, wherein the cutting portions located at both ends are always located toward the central supporting plate in opened states thereof such that firm assembly by using only bolts and nuts after overlapping connective parts without additional connective brackets during assembling of the supporting tool using the channels as well as rapid assembly of the supporting tool can be performed thereby.