Patent ID: 8171748

Claim:
An indoor unit of an air conditioner, the indoor unit of the air conditioner being a wall-hung type indoor unit, comprising: a main body including a front frame and a back frame; a front opening and closing panel that is mounted on the front frame in a freely openable and closable manner and that includes a front surface and a rear surface; at least one thin-walled first leg provided on and extending from the rear surface of the front opening and closing panel; a first base disposed on the at least one thin-walled first leg, therefore being spaced apart from the front opening and closing panel; an arm that is disposed on the first base and held in a freely rotating manner at the front frame of the main body; at least one thin-walled second leg provided on and extending from the rear surface of the front opening and closing panel; a second base separate from the first base and disposed on the at least one thin-walled second leg, therefore being spaced apart from the front opening and closing panel; and a lug that is disposed on the second base and latched to the front frame of the main body when the front opening and closing panel is in a closed state, wherein the at least one thin-walled first leg and the at least one thin-walled second leg are configured and positioned on the rear surface of the front opening and closing panel so that the front surface of the front opening and closing panel has a sink-free appearance.