Patent ID: 7749294

Claim:
A robot cleaner comprising: a dust collection unit including, a cyclone part generating an ascending rotary air current from dust-laden air being drawn in through a lower part thereof, separating the dust from the air using a centrifugal force, and discharging the dust-separated air to the lower part through a center part thereof; a collection part surrounding the cyclone part and receiving the dust centrifugally separated from the air; and a cover removably connected to an upper part of the dust collection unit to open and close the cyclone part and the collection part, wherein the cover comprises: a concave portion disposed on the cover at a position corresponding to the inner canister of the cyclone part and recessed toward the inner canister, to decrease volume of an upper end portion of the inner canister for favorable discharge of the air dust-separated by the cyclone part; and at lease one handle mounted in the concave portion to help withdrawal of the dust collection unit from the cleaner body.