Patent ID: 7325332

Claim:
A clothing dryer comprising: a drying tub for drying laundry contained therein using hot air supplied thereto; a hot air outlet duct which discharges the hot air, coming from the drying tub, to the outside; a connecting unit, comprising a connector portion having a cylindrical outer end region which allows the connection of an external suction device, and which transmits an external suction force to the hot air outlet duct to allow impurities accumulated in the hot air outlet duct to be removed by the external suction force, thereby enabling cleaning of the hot air outlet duct; a grill member provided with a grill portion having a lattice pattern to permit passage of the hot air from the drying tub; a hot air guiding section mounted below the grill member to guide the hot air, passed through the grill member, to the hot air outlet duct; a filter detachably mounted in the hot air guiding section by passing through the grill member to separate impurities from the hot air flowing through the hot air guiding section; and a filter fitting slot formed at the grill member to detachably mount one of the filter and the connecting unit.