Patent ID: 8528163

Claim:
A vacuum cleaner, comprising: a main body; a suction nozzle in communication with the main body, that sucks air into the main body; a dust separator removably coupled to the main body, the dust separator separating dust from the air sucked into the main body by the suction nozzle and comprising: a dust separator device that separates dust from air sucked into the dust separator; a dust container configured to store the separated dust, wherein the dust container comprises: a dust container body; at least one compression member to compress the dust within the dust container; a lower cover attached to the dust container body; a driving device configured to automatically rotate the at least one compression member and having a drive source located on the main body; and a power transmission device configured to transmit power from the drive source to the at least one compression member, wherein the power transmission device comprises a main body transfer part and a transfer device selectively connected to the main body transfer part, the transfer device having a first transfer part provided at a lower side of the lower cover and a second transfer part provided at an upper side of the first transfer part and connected to the first transfer part, wherein the second transfer part transmits power from the drive source to the at least one compression member, and wherein, when the lower cover opens an inner space of the dust container body by rotation, the first and second transfer parts remain connected to the lower cover for movement with the lower cover.