Fastening a magnetic disk to a hub structure

Details Fastening a magnetic disk to a hub structure Fastening a magnetic disk to a hub structure

2007-08-28

2007-08-28

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603040, C029S603070, C029S737000, C360S234500

Reexamination Certificate

active

11273939

ABSTRACT:
Embodiments of the invention provide a clamping mechanism capable of clamping a magnetic disk by an accurate fastening force. In one embodiment, a magnetic disk fastening method includes the steps of: mounting a magnetic disk on a hub structure, setting a thin plate spring having a pressure-bearing part, a flexible part and a disk holding part at a predetermined position relative to the magnetic disk with the disk holding part in contact with a surface of the magnetic disk; pressing the pressure-bearing part by screwing a fastening screw in a threaded hole formed in the hub structure; measuring a deflection by which the flexible part is deflected in the pressure-bearing part pressing step; and stopping pressing the magnetic disk upon the increase of the deflection to a predetermined value.

REFERENCES:
patent: 5369538 (1994-11-01), Moe et al.
patent: 5467237 (1995-11-01), Takahashi
patent: 5841607 (1998-11-01), Khan et al.
patent: 6243230 (2001-06-01), Nii et al.
patent: 09-265702 (1997-10-01), None
patent: 2004-199760 (2004-07-01), None

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