US Patent 7886316 Disk unit and disk unit-integrated television

A disk unit capable of suppressing damage of a recording surface of a disk and preventing a torsion spring from coming off is obtained. This disk unit comprises a housing portion including a disk slot, a door portion mounted on the housing portion in an openable/closable manner with respect to the disk slot and a torsion spring urging the door portion in an opening direction when the opening angle of the door portion with respect to the housing portion is larger than a prescribed angle. The torsion spring is set between a first support portion of the door portion and a second support portion of the housing portion.