IP Library Granted Patent US 8,432,631
Granted Patent B1
US 8,432,631 · App. 13/491,283 · Granted Apr 30, 2013

Disk spindle assembly cartridge

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Quick Facts
Patent No.
US 8,432,631
App. No.
13/491,283
Granted
Apr 30, 2013
Kind
B1
Abstract

A disk spindle assembly cartridge is described. The disk spindle assembly cartridge includes a base, a spindle motor attached to the base, a disk seated on the spindle motor, a disk clamp attached to the spindle motor, wherein the disk clamp secures the disk to the spindle motor, and a cover attached to the base. The base is configured to detachably mount a head stack assembly cartridge, where the disk is accessible to a head stack assembly pivotally mounted in the head stack assembly cartridge via an opening defined by the base and the cover.

Claims (28)

1. A disk spindle assembly cartridge, comprising:

a base;

a spindle motor attached to the base;

a disk seated on the spindle motor;

a disk clamp attached to the spindle motor, wherein the disk clamp secures the disk to the spindle motor; and

a cover attached to the base,

wherein the base is configured to detachably mount a head stack assembly cartridge located outside the base and the cover when unmounted, and wherein the disk is accessible to a head stack assembly pivotally mounted in the head stack assembly cartridge via an opening defined by the base and the cover.

2. The disk spindle assembly cartridge according to claim 1 , wherein the cover comprises a transparent window.

3. The disk spindle assembly cartridge according to claim 1 , further comprising a pivot pin set in the base, wherein the pivot pin is configured to pivotally couple the head stack assembly cartridge to the disk spindle assembly cartridge.

4. The disk spindle assembly cartridge according to claim 3 , wherein the base comprises an alignment mount arranged on the base, and

wherein the alignment mount is configured to align the disk spindle assembly cartridge with the head stack assembly cartridge in a closed position.

5. The disk spindle assembly cartridge according to claim 4 , wherein the alignment mount is further configured to receive a fastener for securing the head stack assembly cartridge to the disk spindle assembly cartridge in the closed position.

6. The disk spindle assembly cartridge according to claim 1 , wherein the disk clamp is removably attached to the spindle motor and the cover is removably attached to the base.

7. The disk spindle assembly cartridge according to claim 1 , wherein the disk is encoded with test data.

8. A disk spindle assembly cartridge, comprising:

a base;

a spindle motor attached to the base;

a disk seated on the spindle motor;

a disk clamp attached to the spindle motor, wherein the disk clamp secures the disk to the spindle motor; and

a cover attached to the base,

wherein the base is configured to detachably mount a head stack assembly cartridge separate from the disk spindle assembly cartridge, and wherein the disk is accessible to a head stack assembly pivotally mounted in the head stack assembly cartridge via an opening defined by the base and the cover.

9. The disk spindle assembly cartridge according to claim 8 , wherein the cover comprises a transparent window.

10. The disk spindle assembly cartridge according to claim 8 , further comprising a pivot pin set in the base, wherein the pivot pin is configured to pivotally couple the head stack assembly cartridge to the disk spindle assembly cartridge.

11. The disk spindle assembly cartridge according to claim 10 , wherein the base comprises an alignment mount arranged on the base, and

wherein the alignment mount is configured to align the disk spindle assembly cartridge with the head stack assembly cartridge in a closed position.

12. The disk spindle assembly cartridge according to claim 11 , wherein the alignment mount is further configured to receive a fastener for securing the head stack assembly cartridge to the disk spindle assembly cartridge in the closed position.

13. The disk spindle assembly cartridge according to claim 8 , wherein the disk clamp is removably attached to the spindle motor and the cover is removably attached to the base.

14. The disk spindle assembly cartridge according to claim 8 , wherein the disk is encoded with test data.

Assignments (6)
RELEASE OF SECURITY INTEREST AT REEL 038744 FRAME 0481 Recorded Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 058982/0556 →
RELEASE OF SECURITY INTEREST Recorded Mar 5, 2018
From: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 045501/0714 →
SECURITY AGREEMENT Recorded May 17, 2016
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038722/0229 →
SECURITY AGREEMENT Recorded May 17, 2016
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 038744/0281 →
SECURITY AGREEMENT Recorded May 17, 2016
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038744/0481 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2012
From: LIN, TAO; JEN, CHIH-WU; CHENG, CHUNJER CHUCK; LIN, GANG HERBERT
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 028338/0382 →