Disk driver having a dust proof rear cover fitted on a rear wall

Details Disk driver having a dust proof rear cover fitted on a rear wall Disk driver having a dust proof rear cover fitted on a rear wall

1995-02-03

1997-05-27

Levy, Stuart S.

Dynamic information storage or retrieval

With particular cabinet structure

G11B 3314

Patent

active

056338490

ABSTRACT:
In a disk drive having a frame unit (63) in which a rear wall (81) is integrally formed with a bottom plate (63a) by press work such as bending, punching or the like, opening portions (53, 55, 57, 59) are inevitably formed as a designing requirement to form fixing members for fixing a circuit board or to prevent contact owing to the retreat of a carriage assembly (67) at the time of punching or press work of the rear wall (81) of the frame unit (63). To provide a disk drive having high reliability by preventing dust from entering into the disk drive from the opening portions (53, 55, 57, 59) and by preventing destruction of data on a disk owing to pressing of dust onto the disk by a recording and reproducing head, rear cover (83) is mounted on the rear wall (81) for closing the opening portions (53, 55, 57, 59).

REFERENCES:
patent: 5086422 (1992-02-01), Hagiya et al.
patent: 5349483 (1994-09-01), Tsai

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