Patent ID: 7076831

Claim:
A device for exhausting in a vacuum cleaner, comprising: a main body for suction and collecting contaminants from outside the main body; an air exhaust filter for removing dust contained in the air which is discharged from inside of the main body; a filter chamber formed in an exhaust flow passage, for containing and confining the air exhaust filter, wherein the air exhaust filter is replaceably contained in the filter chamber; and wheels mounted at both sides of the main body and defining at least one part of the filter chamber, wherein the at least one of the wheels comprises: a guiding member detachably connected to a guiding projection formed at the side of the main body so as to replace the air exhaust filter in the filter chamber, wherein the guiding member defines a cover of the filter chamber formed inner side of the guiding projection; and a rolling member mounted around the guiding member for performing a rolling movement in supporting the main body.