Stabilization of components within hard disk drives and related methods

• US 8,599,514 B2
• Filed: 04/28/2011
• Issued: 12/03/2013
• Est. Priority Date: 04/28/2011
• Status: Expired due to Fees

• Current Assignee: Entrotech, Inc.
• Original Assignee: Entrotech, Inc.
• Inventors: McGuire, James E. Jr.
• Primary Examiner(s): MILLER, BRIAN E
• Application Number:
  US13/096,878
• Publication Number:
  US 20120275055A1
• Time in Patent Office: 950 Days
• Field of Search: 360/99.13, 360/99.14, 360/97.15, 360/99.16
• US Class Current: 360/97.15
• CPC Class Codes: G11B 25/043 using rotating discs
• CPC Class Codes: G11B 33/022 Cases
• CPC Class Codes: Y10T 29/49021 Magnetic recording reproducing transducer [e.g., tape head, core, etc.]

Abstract

A hard disk drive of the invention comprises: a housing comprising a base and a cover; an insert positioned on an interior surface of the base of the housing for stabilization of one or more components within the hard disk drive during operation of the hard disk drive, wherein the insert is relatively stiff as compared to stiffness of the base; and the at least one of the one or more components mounted on the insert. Methods for forming such hard disk drives and hard disk drive rack assemblies comprising the hard disk drives are also disclosed.

Claims

1. A hard disk drive, comprising:

a housing comprising a non-metallic base and a cover;

an insert positioned on an interior surface of the base of the housing for stabilization of one or more components within the hard disk drive during operation of the hard disk drive and comprising a heat sink, wherein the insert is relatively stiff as compared to stiffness of the base; and

the at least one of the one or more components mounted on the insert, wherein the heat sink outwardly protrudes from the base to an exterior of the hard disk drive.

2. The hard disk drive of claim 1, wherein at least two of the one or more components are mounted at spaced apart positions on the insert such that their position relative to each other is stabilized during operation of the hard disk drive.

3. The hard disk drive of claim 1, wherein the base comprises plastic.

4. The hard disk drive of claim 1, wherein the insert comprises stainless steel.

5. The hard disk drive of claim 1, wherein the insert comprises a ceramic.

6. The hard disk drive of claim 1, wherein the insert is coated with a damping elastomer.

7. The hard disk drive of claim 1, wherein the one or more components comprise a rotary actuator.

8. The hard disk drive of claim 7, wherein the rotary actuator is mounted on the insert through its actuator shaft.

9. The hard disk drive of claim 1, wherein the one or more components comprise a spindle assembly.

10. The hard disk drive of claim 9, wherein the spindle assembly is mounted on the insert through its spindle shaft.

11. The hard disk drive of claim 1, wherein a spindle shaft and an actuator shaft comprise the one or more components and are mounted on the insert such that they are essentially stationary within the hard disk drive, but with corresponding disks and support arms being mounted to rotate relative to their respective shafts.

12. The hard disk drive of claim 11, wherein at least one of the spindle shaft and the actuator shaft is integrally formed at its respective position on the insert.

13. The hard disk drive of claim 1, wherein the insert is adhesively secured to the base.

14. The hard disk drive of claim 1, wherein the insert is molded into the base.

15. A method of forming the hard disk drive of claim 1, comprising steps of:

providing the base of the housing;

providing the insert;

positioning and securing the insert on the base; and

mounting the one or more components on the insert for positional stabilization of the one or more components within the hard disk drive during operation of the hard disk drive.

16. A method of forming the hard disk drive of claim 1, comprising steps of:

providing the insert;

insert-molding the insert within the base of the housing; and

mounting the one or more components on the insert for positional stabilization of the one or more components within the hard disk drive during operation of the hard disk drive.

17. A hard disk drive, comprising:

a housing comprising a non-metallic base and a cover;

an insert positioned on an interior surface of the base of the housing for stabilization of one or more components within the hard disk drive during operation of the hard disk drive and comprising a heat sink, wherein the insert is relatively stiff as compared to stiffness of the base; and

the at least one of the one or more components mounted on the insert, wherein one or more fins on the insert protrude from the base to an exterior of the hard disk drive to function as the heat sink.

18. The hard disk drive of claim 17, wherein the insert comprises stainless steel or ceramic.

19. The hard disk drive of claim 17, wherein the insert is coated with a damping elastomer.