Disk drive unit with a dustproof cap attached to a body module t

Details Disk drive unit with a dustproof cap attached to a body module t Disk drive unit with a dustproof cap attached to a body module t

1996-06-17

1999-04-06

Korzuch, William R.

Dynamic information storage or retrieval

With particular cabinet structure

360 9702, G11B 3314

Patent

active

058927476

ABSTRACT:
In a disk drive unit, a top cover, a front cover and a loading base attached with a body module cooperatively form a substantially closed receiving space for an optical disk. The front cover is provided with a dustproof shutter which closes the foregoing receiving space except upon insertion or ejection of an optical disk cartridge including therein the optical disk. Further, a dustproof cap is attached to the body module so as to cover the underside of the body module where a circuit board is disposed for processing signals relative to an optical head. A hermetically closed space is formed between the underside of the body module and the dustproof cap, in which the circuit board is accommodated.

REFERENCES:
patent: 5255254 (1993-10-01), Watanabe et al.
patent: 5297116 (1994-03-01), Ikuma
patent: 5297122 (1994-03-01), Christie
patent: 5418775 (1995-05-01), Okatani
patent: 5617404 (1997-04-01), Okada
patent: 5633849 (1997-05-01), Konno et al.

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