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.
Patent No.:
Date of Patent:
May. 17, 2005
Filed:
Apr. 18, 2002
Noriyo Nishijima, Chiyoda, JP;
Takashi Kouno, Chiyoda, JP;
Isao Kobayashi, Odawara, JP;
Hideki Izumida, Ninomiya, JP;
Takehiko Eguchi, Mito, JP;
Noriyo Nishijima, Chiyoda, JP;
Takashi Kouno, Chiyoda, JP;
Isao Kobayashi, Odawara, JP;
Hideki Izumida, Ninomiya, JP;
Takehiko Eguchi, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a recording apparatus capable of reducing an airflow and disturbance of the air flow simultaneously, thereby reducing flutter vibration effectively, a cover includes first convex sections for reducing a size of a gap between a disk surface and a cover or between the disk surface arid a housing in an area outside of an area in which an arm traverses on a disk in comparison with the area in which the arm traverses, and a second convex section on a part of the first convex sections to further reduce the size of the gap, and the second convex section is provided in a range extending with a tan shape thereof in a reverse rotational direction of said disk from a position distant by 110-170° in the reverse rotational direction from a straight line connecting the rotational shaft of said disk and the rotational shaft of said arm.