Crowned disc clamp

Details Crowned disc clamp Crowned disc clamp

2005-02-01

2005-02-01

Ometz, David (Department: 2653)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

06850389

ABSTRACT:
A disc clamp assembly for securing a data storage disc to a drive motor in a disc drive includes a disc clamp having a central portion that can be secured to a drive motor, a raised portion extending around the central portion, and a contact portion extending around the raised portion for pressing down on the disc to secure the disc to the drive motor. The contact portion has an upwardly extending rim, and the rim has at least fifteen spaced apart upwardly extending projections positioned around the rim. A balance ring is seated in the contact portion.

REFERENCES:
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patent: 5528434 (1996-06-01), Bronshvatch et al.
patent: 5550690 (1996-08-01), Boutaghou et al.
patent: 5590004 (1996-12-01), Boutaghou
patent: 6550328 (2003-04-01), Horning et al.
patent: 6594109 (2003-07-01), Renken
patent: 20010043431 (2001-11-01), Yoshida et al.
patent: 20020024762 (2002-02-01), Renken
patent: 20020024763 (2002-02-01), Drake et al.
patent: 20020071206 (2002-06-01), Choo et al.
patent: 9-320160 (1997-12-01), None

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