Patent ID: 8544143

Claim:
A vacuum cleaner, comprising: a main body having a suction air stream inlet and a suction air stream outlet; a dust separator that communicates with the main body and that separates dust and dirt from the suction air stream, wherein the dust separator includes an air inlet and an air outlet, and wherein the suction air stream inlet and the suction air stream outlet are in fluid communication with, respectively, the air inlet and the air outlet of the dust separator; a filter located in the dust separator; a dust container detachably mounted in the main body, that receives and retains dirt and dust separated from the suction air stream, the dust container having a bottom wall that supports compressed dust; a first plate rotatably positioned in the dust container; a second plate supported by the bottom wall of the dust container; a lever provided in the dust container and configured to exert a force to drive the first plate; and a drive mechanism comprising at least one gear coupled to the first plate and configured to transfer the force from the lever to the first plate, wherein the at least one gear is provided at a lower side of the bottom wall of the dust container, wherein the first plate comprises a rotational shaft that extends vertically with respect to the bottom wall of the dust container, the second plate having a first side, and a second side, which is offset and opposite from the first side, and wherein the compressed dust is stored on the opposite first and second of the second plate.