Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISK DRIVE
Document Type and Number:
Japanese Patent JP3866679
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a disk drive in which the rigidity of a top cover can be sufficiently improved and whose reliability can be enhanced.
SOLUTION: The top cover 15 of an HDD has an almost circular convex part 50. The convex part 50 has a first stage part 51 facing the outer circumference of a disk 12, a second stage part 52 which is at an inner circumferential side of the first stage part 51 and is closer to the disk 12 than the first stage part 51, and a third stage part 53 which is formed in the second stage part 52 and is closer to the disk 12 than the second stage part 52. The first to third stage parts 51 to 53 are provided over an angular range deviated from the moving path of a magnetic head 22 at positions facing the disk 12.


Inventors:
Norio Yoshikawa
Application Number:
JP2003121580A
Publication Date:
January 10, 2007
Filing Date:
April 25, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Toshiba Corporation
International Classes:
G11B33/02; G11B25/04; G11B33/08; G11B33/12; G11B33/14; (IPC1-7): G11B33/02; G11B33/12; G11B33/14
Domestic Patent References:
JP2003085938A
JP2002367351A
JP7235173A
Foreign References:
US6351344
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Sadao Muramatsu
Ryo Hashimoto



 
Previous Patent: FRONT CAR BODY STRUCTURE

Next Patent: STIRRING DEVICE