Disc clamp with snap fit for a disc drive

Details Disc clamp with snap fit for a disc drive Disc clamp with snap fit for a disc drive

2008-05-27

2008-05-27

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

11200890

ABSTRACT:
The invention relates to a disc clamp for mounting an information storage disc to a rotating hub of a spindle motor assembly, and a disc drive spindle hub assembly comprising said disc clamp. The disc clamp comprises an annular body portion, an inner centering portion defining a central aperture, and an annular outer peripheral clamping portion. The inner centering portion having a series of centering tabs disposed about an inner circumference of the body portion. Each centering tab includes a first tab portion extending substantially perpendicular to the body portion of the clamp, and a second tab end portion extending in an angle from the first tab portion. The centering tabs contacting an inner circumferential surface and being in a snap-fit engagement with the hub The outer peripheral portion contacting the information storage disc when the disc and the clamp are installed on the top portion of the hub.

REFERENCES:
patent: 5590004 (1996-12-01), Boutaghou
patent: 6500060 (2002-12-01), Hanosh
patent: 6757132 (2004-06-01), Watson et al.
patent: 7009809 (2006-03-01), Hanssen
patent: 2003/0214751 (2003-11-01), Hanssen
patent: 2005/0195524 (2005-09-01), Choo et al.

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