로그인시 본인확인과정이 필요할 수 있습니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기
| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0669931 (2015-03-26) |
| 등록번호 | US-9153262 (2015-10-06) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 320 |
A head stack assembly (HSA) for a disk drive includes an actuator body having a cylindrical bore therethrough and an actuator arm extending therefrom. A head is attached to a distal end of the actuator arm. A pivot bearing cartridge is disposed within the cylindrical bore. A tolerance band is radial
A head stack assembly (HSA) for a disk drive includes an actuator body having a cylindrical bore therethrough and an actuator arm extending therefrom. A head is attached to a distal end of the actuator arm. A pivot bearing cartridge is disposed within the cylindrical bore. A tolerance band is radially preloaded between an outer surface of the pivot bearing cartridge and an inner surface of the cylindrical bore. The cylindrical bore has a first diameter in a first region adjacent a first axial end, and a second diameter in a second region adjacent a second axial end. There is a radial step between the first and second regions. The first diameter is greater than the second diameter by at least 20 microns but no more than 100 microns.
1. A disk drive, comprising: a disk drive base;a cover attached to the disk drive base to define a disk drive enclosure;a disk rotatably attached to the disk drive base and disposed within the disk drive enclosure;a head stack assembly (HSA) disposed within the disk drive enclosure, the HSA includin
1. A disk drive, comprising: a disk drive base;a cover attached to the disk drive base to define a disk drive enclosure;a disk rotatably attached to the disk drive base and disposed within the disk drive enclosure;a head stack assembly (HSA) disposed within the disk drive enclosure, the HSA including: an actuator body having a cylindrical bore therethrough and an actuator arm extending therefrom;a head attached to a distal end of the actuator arm;a pivot bearing cartridge disposed within the cylindrical bore and having a first end that is attached to the disk drive base; anda tolerance band radially preloaded between an outer surface of the pivot bearing cartridge and an inner surface of the cylindrical bore;wherein the cylindrical bore has a first diameter in a first region adjacent the disk drive base, and a second diameter in a second region adjacent the cover, and a radial step between the first and second regions, the first diameter being different from the second diameter by a diameter difference that is in the range of 20 microns to 100 microns. 2. The disk drive of claim 1 wherein the pivot bearing cartridge has a second end that is attached to the disk drive cover, wherein the attachment of the second end is more compliant than the attachment of the first end, and wherein the first diameter is greater than the second diameter. 3. The disk drive of claim 1 wherein the pivot bearing cartridge has a second end that is attached to the disk drive cover, wherein the attachment of the first end is more compliant than the attachment of the second end, and wherein the second diameter is greater than the first diameter. 4. The disk drive of claim 1 wherein the radial step is at least 10 microns but no more than 50 microns, over an axial transition extent that is no greater than 200 microns. 5. The disk drive of claim 1 wherein the first region has an axial extent that is at least ⅓rd of a total axial extent of the cylindrical bore, but no more than ⅔rds of the total axial extent of the cylindrical bore. 6. The disk drive of claim 5 wherein the first region extends for approximately half of a total axial extent of the cylindrical bore, and the second region extends for approximately half of the total axial extent of the cylindrical bore. 7. The disk drive of claim 1 wherein the first diameter and the second diameter are in the range of 5 mm to 15 mm. 8. The disk drive of claim 1 wherein the actuator body comprises aluminum and the tolerance band comprises a substantially cylindrical sheet of steel having a plurality of radial protrusions that are deformed by the radial preload. 9. A head stack assembly (HSA) for disk drive, the HSA comprising: an actuator body having a cylindrical bore therethrough and an actuator arm extending therefrom;a head attached to a distal end of the actuator arm;a pivot bearing cartridge disposed within the cylindrical bore and having first and second axial ends; anda tolerance band radially preloaded between an outer surface of the pivot bearing cartridge and an inner surface of the cylindrical bore;wherein the cylindrical bore has a first diameter in a first region adjacent the first axial end, and a second diameter in a second region adjacent the second axial end, and a radial step between the first and second regions, the first diameter being different from the second diameter by a diameter difference that is in the range of 20 microns to 100 microns. 10. The HSA of claim 9 wherein the first diameter is greater than the second diameter. 11. The HSA of claim 9 wherein the second diameter is greater than the first diameter. 12. The HSA of claim 9 wherein the radial step is at least 10 microns but no more than 50 microns, over an axial transition extent that is no greater than 200 microns. 13. The HSA of claim 9 wherein the first region has an axial extent that is at least ⅓rd of a total axial extent of the cylindrical bore, but no more than ⅔rds of the total axial extent of the cylindrical bore. 14. The HSA of claim 9 wherein the first region extends for approximately half of a total axial extent of the cylindrical bore, and the second region extends for approximately half of the total axial extent of the cylindrical bore. 15. The HSA of claim 9 wherein the first diameter and the second diameter are in the range of 5 mm to 15 mm. 16. The HSA of claim 9 wherein the actuator body comprises aluminum and the tolerance band comprises a substantially cylindrical sheet of steel having a plurality of radial protrusions that are deformed by the radial preload. 17. An actuator comprising: an actuator body;an actuator arm extending from the actuator body;the actuator body including a cylindrical bore having first and second axial ends;wherein the cylindrical bore has a first diameter in a first region adjacent the first axial end, and a second diameter in a second region adjacent the second axial end, and a radial step between the first and second regions, the first diameter being greater than the second diameter by at least 20 microns but no more than 100 microns. 18. The actuator of claim 17 wherein the radial step is at least 10 microns but no more than 50 microns, over an axial transition extent that is no greater than 200 microns. 19. The actuator of claim 17 wherein the first region has an axial extent that is at least ⅓rd of a total axial extent of the cylindrical bore, but no more than ⅔rds of the total axial extent of the cylindrical bore. 20. The actuator of claim 17 wherein the first diameter and the second diameter are in the range of 5 mm to 15 mm.
해당 특허가 속한 카테고리에서 활용도가 높은 상위 5개 콘텐츠를 보여줍니다.
더보기 버튼을 클릭하시면 더 많은 관련자료를 살펴볼 수 있습니다.
Copyright KISTI. All Rights Reserved.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.