Lint removing apparatus and clothes dryer having the same

A clothes dryer comprising:

• a cabinet;
• a drum rotatably supported in the cabinet;
• a supply port configured to guide air into the drum;
• an exhaust port configured to guide the air in the drum to an outside of the drum;
• and
• a lint removing apparatus configured to remove lint from the air passing through the exhaust port,
• wherein the lint removing apparatus includes:
• a lint filter configured to capture lint,
• a screw conveyor rotatably installed to scrape and collect the lint captured in the lint filter,
• a driving device including a motor, and configured to generate power,
• a first coupler connected to the driving device to receive the power from the driving device,
• a second coupler coupled to the first coupler to transmit the power to the screw conveyor,
• a holder in contact with the second coupler, and configured to move the second coupler so that the first coupler and the second coupler are coupled to or separated from each other, and
• an elastic member configured to elastically press the holder so that the first coupler and the second coupler are in a disengaged state to an engaged state.