JPH0216450U

JPH0216450U -

Info

Publication number: JPH0216450U
Application number: JP9407088U
Authority: JP
Priority date: 1988-07-18
Filing date: 1988-07-18
Publication date: 1990-02-01

Description

[Brief explanation of drawings]

第１図は実施例に係るデイスク駆動装置のター
ンテーブルに対してデイスクがロードするときの
状態を示す説明図、第２図ないし第７図は従来例
を説明するためのもので、第２図は従来例に係る
デイスク駆動装置の要部断面図、第３図はターン
テーブル部の分解斜視図、第４図はばね部材の平
面図、第５図はセンタリング動作を説明する概略
断面図、第６図ａ，ｂ，ｃはそれぞれセンタリン
グ動作を示す説明図、第７図はセンタリング時の
駆動ピンと金属ハブの関係を示す概略断面図、第
８図は駆動されるデイスクカートリツジの底面図
である。１……デイスク駆動モータ、２……スピンドル
軸、３……ターンテーブル、３ａ……載置面、１
６……チヤツクマグネツト、１９……駆動ピン、
２３……デイスク、２５……金属ハブ、２６……
チヤツキングホール、２７……位置決めホール。 FIG. 1 is an explanatory diagram showing a state when a disk is loaded onto a turntable of a disk drive device according to an embodiment, and FIGS. 2 to 7 are for explaining a conventional example. 3 is an exploded perspective view of the turntable section, FIG. 4 is a plan view of the spring member, FIG. 5 is a schematic sectional view explaining the centering operation, and FIG. Figures 6a, b, and c are explanatory diagrams showing the centering operation, Figure 7 is a schematic sectional view showing the relationship between the drive pin and the metal hub during centering, and Figure 8 is a bottom view of the disk cartridge being driven. . DESCRIPTION OF SYMBOLS 1... Disk drive motor, 2... Spindle shaft, 3... Turntable, 3a... Placement surface, 1
6...chuck magnet, 19...drive pin,
23...disk, 25...metal hub, 26...
Chatting hole, 27...Positioning hole.

Claims

[Scope of utility model registration request]

The turntable has a chuck magnet on its mounting surface and has a spindle shaft and a drive pin protruding from the mounting surface, and a motor that rotates the turntable, and has a tracking hole and a positioning hole. A disk drive device for recording or reproducing information by loading an information recording disk having a metal hub onto the mounting surface of the turntable, characterized in that a drive pin is fixed to the turntable. Device.