Cyclone dust collecting apparatus for a vacuum cleaner

A cyclone dust collecting apparatus for a vacuum cleaner, comprising:

• a cyclone body comprising:
• a first connection pipe connected to an extension pipe adjacent to a suction port of the vacuum cleaner;
• a second connection pipe connected to the extension pipe adjacent to a body of the vacuum cleaner;
• an air inflow port interconnected with the first connection pipe;
• an air outflow port interconnected with the second connection pipe;
• the cyclone body shaped and adapted to form a vortex of contaminant-laden air that is drawn in through the air inflow port;
• a dust receptacle removably connected to the cyclone body for receiving contaminants separated from the air by the vortex;
• a grill assembly disposed at the air outflow port of the cyclone body, and having a plurality of longitudinal slots formed in an outer circumference of the grill body at a constant interval from each other to form a passage for permitting air to flow toward the air outflow port, the grill assembly preventing a reverse flow of the contaminants collected in the dust receptacle through the air outflow port of the cyclone body;
• a contaminant removing member movable along the outer circumference surface of the grill body to be moved upward and downward to remove contaminants that are adhering to and around the respective longitudinal slots of the grill assembly;
• a bi-ended wire with one end being connected to the contaminant removing member;
• a winding member positioned inside the cyclone body, the other end of the wire being attached to the winding member;
• a rotary knob connected to the winding member by a shaft, and the knob being positioned outside the cyclone body;
• and
• a resilient member disposed between the contaminant removing member and an inner bottom surface of the grill body for resiliently biasing the contaminant removing member toward a first position.