The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 09, 2005

Filed:

Jan. 09, 2004
Applicants:

Satomitsu Imai, Odawara, JP;

Takashi Kouno, Niihari-gun, JP;

Marutomo Goto, Odawara, JP;

Shigeo Nakamura, Odawara, JP;

Masahiko Sega, Hiratsuka, JP;

Inventors:

Satomitsu Imai, Odawara, JP;

Takashi Kouno, Niihari-gun, JP;

Marutomo Goto, Odawara, JP;

Shigeo Nakamura, Odawara, JP;

Masahiko Sega, Hiratsuka, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B017/02 ;
U.S. Cl.
CPC ...
Abstract

A magnetic disk device having a magnetic disk for recording information, a spindle motor for driving the magnetic disk for rotation, a magnetic head for reading information from the magnetic disk, a carriage arm for supporting the magnetic disk, a voice coil motor for moving the carriage arm, a loading/unloading mechanism for retracting the carriage arm from a position on the magnetic disk, and a shroud for forming a peripheral wall. The magnetic device includes an air passage positioned between the loading/unloading mechanism and the shroud.


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