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:
Mar. 06, 2001

Filed:

Mar. 08, 1999
Applicant:
Inventors:

Toshihiro Sakurai, Miyagi-ken, JP;

Kenji Abe, Miyagi-ken, JP;

Keisuke Nakayama, Miyagi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 1/704 ;
U.S. Cl.
CPC ...
G11B 1/704 ;
Abstract

A transmission gear is comprised of a fitting portion of an upper toothed wheel being fit with a fitting portion of a lower toothed wheel so that both are axially movable. Accordingly, even in the event that a lid plate which has a disk introducing mechanism and a clamping chassis which has a clamping mechanism ascend or descend, certain power can be transmitted to a large gear (first gear) and a rotating cam (second gear) in a sure manner. Thus, the disk introducing mechanism and the disk discharging mechanism can both be driven with a single simple power transmitting mechanism. Also, the disk introducing operation and the disk discharging operation can be performed in a parallel manner, thereby reducing the amount of time required to exchange disks.


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