| US 7,499,244 B2 | ||
| Disk holder for off-line servo-track writer | ||
| Dong-ho Oh, Seoul (Korea, Republic of); Jae-hyuk Han, Seoul (Korea, Republic of); Yong-kyu Byun, Yongin-si (Korea, Republic of); and Ja-choon Koo, Seoul (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Suwon-si (Korea, Republic of) | ||
| Filed on Jan. 30, 2006, as Appl. No. 11/341,584. | ||
| Claims priority of application No. 10-2005-0010181 (KR), filed on Feb. 03, 2005. | ||
| Prior Publication US 2006/0171066 A1, Aug. 03, 2006 | ||
| Int. Cl. G11B 17/08 (2006.01); G11B 21/02 (2006.01) | ||
| U.S. Cl. 360—98.08 [360/75] | 17 Claims |
| 1. A disk holder installed at a driving motor of an off-line servo-track writer, the disk holder comprising:
a flange supporting a plurality of disks;
a mounting portion provided at one side of the flange and joined to the driving motor;
a hub provided at the other side of the flange and having a space into which air flows, the plurality of disks and a plurality
of spacers for maintaining a gap between the plurality of disks being assembled around an outer circumference of the hub;
a plurality of pressing members installed on the hub to be able to move back and forth in a radial direction of the hub by
the pressure of air flowing into the hub, thereby being projected out of an outer circumferential surface of the hub and pressing
inner circumferential surfaces of the plurality of disks and the plurality of spacers; and
a clamp joined to one end portion of the hub and fixing the plurality of disks and the plurality of spacers,
wherein each of the plurality of pressing members presses the inner circumferential surface of all of the plurality of disks
simultaneously.
|