Disc drive motor

Details Disc drive motor Disc drive motor

1997-11-18

1999-02-16

Klimowicz, William J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9808, G11B 17028

Patent

active

058726829

ABSTRACT:
A disc drive motor comprises a fixed a fixed shaft, a ball bearing fitted on the fixed shaft, a cylindrical hub rotatably supported by the ball bearing, a clamper for fixing a disc to the hub and a cap secured to the hub so as to cover one open end of an opening portion of the hub. The cap includes an engaging element formed as part of the cap for engaging with a rotation stopper jig in order to stop rotation of the hub when clamping the discs. The engaging element includes a protruding or recessed portion of the cap. The engaging may be in the form of a polygon or, in particular, a regular polygon.

REFERENCES:
patent: 4949000 (1990-08-01), Petersen
patent: 4965476 (1990-10-01), Lin
patent: 5278709 (1994-01-01), Thornton et al.
patent: 5295030 (1994-03-01), Tafreshi
patent: 5333080 (1994-07-01), Ridinger et al.
patent: 5517374 (1996-05-01), Katakura et al.
patent: 5528434 (1996-06-01), Bronshvatch et al.

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