Patent ID: 6848112
Filing Date: 2005-01-25
Classification: G11B

Abstract:
1. A tray locking apparatus of a disc drive to lock a tray on which a disc is accommodated and which is inserted into a main body of the disc drive, the tray locking apparatus comprising: a locking pin provided at the main body; a locking lever rotatably installed at the tray and having a hook portion at one end thereof which is caught by the locking pin as the tray is inserted into the main body; an elastic member to elastically bias the locking lever in the direction in which the hook portion is caught by the locking pin; a driving mechanism to rotate the locking lever to escape from a position where the hook portion is caught by the locking pin when the tray is drawn; and a counter impact unit installed adjacent to the locking lever and having a moment to rotate in a direction opposite to that of the locking lever, so that when the locking lever is rotated by an impact in a direction to be unlocked, the counter impact unit rotates in the opposite direction and bumps against the locking lever.