Disk spacer and hard disk drive having the same

Details Disk spacer and hard disk drive having the same Disk spacer and hard disk drive having the same

2007-07-24

2010-11-02

Blouin, Mark (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

07826173

ABSTRACT:
A disk spacer located on a rotator of a spindle motor to allow an additional disk to be mounted on the spindle motor, the disk spacer including a screw hole formed in a central part of the disk spacer to allow a clamping screw to pass through, a first disk pressing part located in a lower surface of an outer circumference part of the disk spacer to press surroundings of a central hole of a first disk directly mounted on the rotator, and a second disk supporter located on an upper surface of the outer circumference part of the disk spacer to support surroundings of a central hole of a second disk located above the first disk, and a hard disk drive having the disk spacer.

REFERENCES:
patent: 5295030 (1994-03-01), Tafreshi
patent: 5333080 (1994-07-01), Ridinger et al.
patent: 5392178 (1995-02-01), Nishio et al.
patent: 5422770 (1995-06-01), Alt
patent: 5452157 (1995-09-01), Chow et al.
patent: 5517376 (1996-05-01), Green
patent: 5528434 (1996-06-01), Bronshvatch et al.
patent: 5615067 (1997-03-01), Jabbari et al.
patent: 5880905 (1999-03-01), Kazmierczak et al.
patent: 7181824 (2007-02-01), Suwito et al.
patent: 7529064 (2009-05-01), Huang et al.
patent: 6-96514 (1994-04-01), None
patent: 8-147937 (1996-06-01), None
patent: 2001-291301 (2001-10-01), None

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