Abstract:
An air conditioner including an opening and closing apparatus configured to open/close a discharge port for discharging air into an indoor space, the opening and closing apparatus includes a plurality of covers provided with a guide unit, a guide plate provided with a spiral guide hole alternately formed with a guide hole having a first section and a second section, and a rail plate extended in a radial direction and having a plurality of rails through which the guide unit is inserted. When the guide plate is rotated, the plurality of covers are moved in a radial direction while having a time interval with respect to the adjacent cover as to open/close the discharge port.