Patent ID: 7257827

Claim:
A computer comprising: a main body casing accommodating a plurality of hardware components and having an entrance opening on a first side thereof; an optical disk drive assembly coupled to the main body casing to rotate relative to the main body casing; a hinge unit provided on a side of the entrance opening of the main body casing, and supporting the optical disk drive assembly to enable the optical disk drive assembly to rotate between an accommodated position where the optical disk drive assembly is accommodated in the main body casing and an ejected position where the optical disk drive assembly is ejected out of the main body casing through the entrance opening; and a damper decreasing a rotation speed of the optical disk drive assembly when the optical disk drive assembly rotates from the ejected position to the accommodated position; wherein the damper comprises: a damper member provided on one of the optical disk drive assembly and the main body casing, and having a damper locking part; and a damper member guide provided on the other one of the optical disk drive assembly and the main body casing, and guiding the damper member with a curved part on which the damper locking part moves slidingly as the optical disk drive assembly rotates from the ejected position to the accommodated position.