A disk device having a disk loading mechanism including an elastic body retracting space which is formed by cutting away a corner portion of a support portion of a first selector lever that is positioned forward of an elastic body and is closer to a chassis, the elastic member retracting space is not so spacious as to receive a whole of the elastic body but is spacious enough for the elastic body to be displaced while being twisted to the elastic body retracting space when the elastic body is sunk under a protruding portion of the chassis.