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:
Nov. 30, 1993

Filed:

Sep. 03, 1991
Applicant:
Inventors:

Matsuo Morikawa, Odawara, JP;

Tokuya Kaneda, Odawara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9906 ; 360 9902 ; 360 9807 ; 369 752 ;
Abstract

A disk apparatus includes a disk holder for holding a disk, and the disk holder is reciprocatively movable between a loading position and an unloading position. The disk apparatus further includes a motor for driving the disk at the loading position for reading or writing purposes, a power transmission mechanism for converting the rotation of the shaft of the motor into a reciprocative motion and for transmitting the reciprocative motion to the disk holder, and a switching mechanism for switching the power transmission mechanism to an inoperative state so as to prevent the power of the motor from being transmitted from the motor to the disk holder when the motor is operating to rotate the disk for reading or writing purposes.


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