Data storage device with spindle motor

Details Data storage device with spindle motor Data storage device with spindle motor

2005-04-05

2005-04-05

Cao, Allen (Department: 2652)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

06876517

ABSTRACT:
A data storage device (10) includes a stator (20), a rotor (40), a disk (80), and a clamp (60) attaching the disk to the rotor. The rotor includes a hub (48) forming a shoulder (57) at a top portion thereof. A recess (56) is defined in the top portion of the hub and surrounded by the shoulder. An outer diameter of the recess is equal to or larger than a diameter of a central opening (82) of the disk. The disk is seated on the shoulder of the hub. The clamp includes a bottom fixing part (62) fixedly attached to the hub in the recess, a cylindrical wall (64) abutting an inside of the shoulder and the disk in the central opening, and a pressing part (66) extending through the central opening of the disk and pressing on the disk thereby ensuring that the disk can rotate with the rotor.

REFERENCES:
patent: 5493462 (1996-02-01), Peter
patent: 5517376 (1996-05-01), Green
patent: 5828519 (1998-10-01), Sasa
patent: 6016238 (2000-01-01), Yoshikawa et al.
patent: 6417988 (2002-07-01), Renken et al.
patent: 6556376 (2003-04-01), Boutaghou
patent: 6567238 (2003-05-01), Renken et al.

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