Disk drive unit

Details Disk drive unit Disk drive unit

2005-05-24

2005-05-24

Klimowicz, William J. (Department: 2652)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Capable of only accepting protected insertable single...

C720S734000, C720S742000, C720S643000

Reexamination Certificate

active

06898795

ABSTRACT:
A disk drive unit is provided that is capable of reasonably, smoothly opening/closing a shutter by rotation of an inner rotor. The disk drive unit is configured such that an inner rotor (4) is reasonably, smoothly rotated by sequentially engaging a shutter opening/closing starting projection (72), a rack portion (74), and a shutter opening/closing ending projection (76) of a rack member (71) with a shutter opening/closing starting recess (26), a partial gear (27), and a shutter opening/closing ending recess (28) in the outer periphery of the inner rotor (4).

REFERENCES:
patent: 5260931 (1993-11-01), Sasaki et al.
patent: 5570342 (1996-10-01), Kosaka
patent: 6590858 (2003-07-01), Inoue
patent: 6700741 (2004-03-01), Inoue et al.
patent: 58-111148 (1983-07-01), None
patent: 08180634 (1996-07-01), None
patent: 08263959 (1996-10-01), None
patent: 2000003575 (2000-01-01), None

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