Patent ID: 6928692

Claim:
A cyclone-type vacuum cleaner, comprising: a cyclone body comprising: a first connecting pipe for connection to an extension pipe at a suction port side of the vacuum cleaner; a second connecting pipe for connection to an extension pipe at a cleaner body side; an air inlet interconnected with the first connecting pipe; and an air outlet interconnected with the second connecting pipe; the cyclone body for forming a vortex comprising dust-laden air drawn in through the air inlet; a dust receptacle removably connected to the cyclone body, for collecting the dust and foreign substances separated from the dust-laden air by the centrifugal force the vortex; a first grill body operatively coupled to the cyclone body, said first grill body being cone-shaped, the inside diameter of which decreases from top to bottom; a second grill body extending from a lower portion of the first grill body, said second grill body having a plurality of fine holes in an upper portion through which air passes, and a closed lower portion; an air-driven cleaning brush assembly that rotates about the outside of the upper portion of the second grill body and which contacts the fine holes in the upper portion of the second grill body as it rotates; a fan, located within the closed lower portion of the second grill body, said fan being attached to a shaft that extends to and which is attached to a rotary member at a lower end of the lower portion, said rotary member being coupled to said cleaning brush assembly; whereby air drawn through said closed lower portion and into the cyclone body causes said fan to rotate said shift, the rotation of said shift causing the rotary member to rotate the cleaning brush assembly around the fine holes in the upper portion of the second grill body.