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Title:
DISK DRIVE DEVICE, DISK APPARATUS EQUIPPED WITH IT, AND MANUFACTURING METHOD OF DISK DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2006185560
Kind Code:
A
Abstract:

To provide a disk drive device whose component precision is easy to be controlled and which can secure a disk at the center of a clamp without displacement, and also provide a disk apparatus incorporating the device and a manufacturing method of the drive device.

This disk drive device has an approximately cylindrical hub 43 rotatably supported on a shaft. The hub clamps a disk 20 concentrically around the hub and has an elastic ring spacer 80 and a clamp piece 44 formed at its end. The spacer has a piece 87 in contact with the disk and the clamp piece is shrink-fitted around the hub and retains the spacer in contact with the disk. Either the spacer or the clamp piece has a contact piece 86a in contact with the other one when fitting the clamp and the other one has a guide surface 44b to guide the spacer in the direction to position its contact center at the center of rotation.


Inventors:
TAKAHASHI ATSUSHI
Application Number:
JP2004381056A
Publication Date:
July 13, 2006
Filing Date:
December 28, 2004
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
G11B17/038; F16B4/00; G11B23/00
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto