Filter cleaning device of cyclone vacuum cleaner

A filter cleaning device of a cyclone vacuum cleaner which comprises a cyclone body with a suction port and a discharge port, a dust collecting receptacle connected to the cyclone body for collecting dusts separated from air drawn in through the suction port, and a filter connected to the discharge port and disposed inside the dust collecting receptacle, the filter cleaning device comprising:

• a dust-removing ring disposed around an outer surface of the filter and moving along an axial direction;
• a manipulation unit disposed under the filter to approach to, and retreat from the filter;
• a connection member interposed between the manipulation unit and the dust-removing ring, for moving the dust-removing ring in association with the approaching and retreating movements of the manipulation unit;
• an elastic spring interposed between the filter and the manipulation unit, for urging the manipulation unit to retreat from the filter;
• and
• an operating bar upwardly protruding from a bottom of the dust collecting receptacle, for pressing the manipulation unit towards the filter.