Tray locking apparatus used with a disc drive

Details Tray locking apparatus used with a disc drive Tray locking apparatus used with a disc drive

2005-01-25

2005-01-25

Cao, Allen (Department: 2652)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

C369S075210

Reexamination Certificate

active

06848112

ABSTRACT:
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 includes 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. Thus, when an external impact is applied, the locking state of the tray can be firmly maintained.

REFERENCES:
patent: 5864529 (1999-01-01), Liao et al.
patent: 6603723 (2003-08-01), Minase
patent: 20020163871 (2002-11-01), Yoshida
Japanese abstract, Locking Mechanism For Tray in Information Recording and Reproducing Device, Japanese Patent Publication No. 2000-11513, Jan. 14, 2000.

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