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.:

US 7840971 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 23, 2010

Filed:

Nov. 13, 2009
Applicants:

Keiji Tokita, Tokyo, JP;

Kouji Seki, Tokyo, JP;

Kazuya Tanaka, Tokyo, JP;

Yoshio Suzuki, Tokyo, JP;

Shouichiro Kokubo, Tokyo, JP;

Inventors:

Keiji Tokita, Tokyo, JP;

Kouji Seki, Tokyo, JP;

Kazuya Tanaka, Tokyo, JP;

Yoshio Suzuki, Tokyo, JP;

Shouichiro Kokubo, Tokyo, JP;

Assignee:

Clarion Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A disk holder, disk alignment mechanism and disk drive employing same that for permitting accurate alignment of a disk are provided. The disk drive comprises a disk holderthat comprises a plurality of holder platesthat individually hold disks D, a drive unitthat plays back disks D, disk selectorsA andB that form a space above and below a desired disk D by raising and lowering the holder platesand a drive basethat moves the drive unitinto the space that is formed as a result of raising and lowering the holder platesDisk hold linksandcomprising catchesandrespectively that engage with and disengage from the center hole of disk D are provided on the holder platessuch that the disk hold linksandare able to turn, and a disk hold armthat allows the disk hold linksandto turn is provided so as to be able to perform a sliding movement.


Find Patent Forward Citations

Tokita, Keiji. (2010). Disk holder, disk alignment mechanism and disk drive (U.S. Patent No. 7840971). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7840971

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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