US Patent 10077528 Clothes dryer

A clothes dryer having a lint collecting device for collecting lint is disclosed. The clothes dryer includes: a drum; a duct through which drying air discharged from the drum flows; and a lint removing device disposed in a path of the duct to filter lint contained in the air, wherein the lint removing device includes a cylindrical lint filter of which a part of an outer surface is open, a screw having a spiral blade rotatably provided in an axial direction of the lint filter, a contact rib formed at an opening of the lint filter, and an elastic member configured to protrude to an outside of the blade to be in contact with an inner surface of the lint filter and the contact rib.