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:
Aug. 06, 2002
Filed:
Oct. 12, 1999
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A disk holding device supports a disk as a recording medium. The disk holding device includes a motor rotating shaft ( ) protruding upward from a driving motor ( ); an upper ( ) and lower bearing ( ) which are disposed at an upper portion and a lower portion of the driving motor and rotatably support the motor rotating shaft; a thrust bearing ( ) for supporting a bottom of the motor rotating shaft; a turntable ( ) which is fitted coaxially to the motor rotating shaft at the protruding side of the motor rotating shaft mounting a disk ( ); a disk clamping body ( ) including, at its lower part, a disk clamping portion ( ) for clamping the disk in the same axial direction as the motor rotating shaft and, its upper part, a spherical protruding portion ( ) in the same axial direction as the motor rotating shaft; a motor fixing mount ( ) to which the driving motor is fixed; a tension spring ( ) bridged between the motor fixing mount and a pressing arm described later; and the pressing arm ( ) one end of which is pivotally attached to the motor fixing mount, the other end of which includes an inclined portion ( ) with an inclination angle of 95° to 104° with respect to an axis of the motor rotating shaft, and which presses the spherical protruding portion of the disk clamping body in an axial direction of the motor rotating shaft and in a direction perpendicular to the motor rotating shaft.