Patent ID: 7779506

Claim:
A vacuum cleaner, comprising: a suction device that provides suction force; a suction nozzle that draws air into the vacuum cleaner with the suction force provided by the suction device; a dust collecting box that cleans and discharges the air drawn in through the suction nozzle, the dust collecting box having an opening in an upper cover thereof; a filter assembly configured to be inserted into the opening in the upper cover of the dust collecting box from a space above the upper cover and withdrawn from the opening in the upper cover of the dust collecting box to the space above the upper cover, and selectively fastened to the upper cover adjacent an edge of the opening, the filter assembly comprising: an upper holding part configured to be selectively fastened to the edge of the opening, the upper holding part having an air discharge hole at a central portion thereof; a lower holding part spaced a distance downward from the upper holding part; and a filter between the upper holding part and the lower holding part that filters dust from the air, the filter having a discharge passage therein; and a lower cover that selectively opens and closes a lower portion of the dust collecting box.