JPH02123746U - - Google Patents
Info
- Publication number
- JPH02123746U JPH02123746U JP3207089U JP3207089U JPH02123746U JP H02123746 U JPH02123746 U JP H02123746U JP 3207089 U JP3207089 U JP 3207089U JP 3207089 U JP3207089 U JP 3207089U JP H02123746 U JPH02123746 U JP H02123746U
- Authority
- JP
- Japan
- Prior art keywords
- turntable
- information recording
- leaf spring
- support surface
- recording disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 3
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は実施例に係るデイスクチヤツキング装
置の平面図、第２図は第１図Ｃ−Ｃ線断面図、第
３図および第４図はデイスクチヤツキング装置の
動作説明図、第５図は第２図矢印Ｊで示した個所
の要部拡大図、第６図は第５図Ｄ−Ｄ線断面図、
第７図は従来例に係るデイスク駆動装置の要部断
面図、第８図はターンテーブル部の分解斜視図、
第９図はばね部材の平面図、第１０図はセンタリ
ング動作をを示す概略断面図、第１１図ａ，ｂ，
ｃはそれぞれセンタリング動作を示す動作説明図
、第１２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１３図は駆動され
るデイスクカートリツジの底面図である。
２……スピンドル軸、３……ターンテーブル、
３ａ……支持台、１６……チヤツクマグネツト、
１７……ばね部材、１９……駆動ピン、２３……
デイスク、２５……金属ハブ、３１……係合孔、
３２，３３……ピン、３４……板ばね、３７……
開口部、３８，３９……細径部、４０，４１……
長孔。
FIG. 1 is a plan view of the disk chucking device according to the embodiment, FIG. 2 is a sectional view taken along the line CC in FIG. Figure 5 is an enlarged view of the main part of the part indicated by arrow J in Figure 2, Figure 6 is a sectional view taken along the line D-D in Figure 5,
FIG. 7 is a sectional view of main parts of a conventional disk drive device, FIG. 8 is an exploded perspective view of a turntable section,
Figure 9 is a plan view of the spring member, Figure 10 is a schematic sectional view showing the centering operation, Figures 11a, b,
FIG. 12 is a schematic sectional view showing the relationship between the drive pin and the metal hub during centering, and FIG. 13 is a bottom view of the driven disk cartridge. 2...Spindle axis, 3...Turntable,
3a...Support stand, 16...Chuck magnet,
17... Spring member, 19... Drive pin, 23...
Disc, 25...metal hub, 31...engaging hole,
32, 33...pin, 34...leaf spring, 37...
Opening portion, 38, 39... Thin diameter portion, 40, 41...
Long hole.
Claims (1)
持する支持面と、支持面の金属ハブ対向面に配さ
れたチヤツクマグネツトとを有するターンテーブ
ルと、駆動ピン挿通孔から突出し、ターンテーブ
ルの反情報記録デイスク支持面側から支持手段に
よつて支持された駆動ピンとを備え、情報記録デ
イスクの金属ハブを磁気的にチヤツクし、ターン
テーブルの中央に嵌着されたスピンドル軸を介し
て回転駆動手段により情報記録デイスクを回転駆
動するデイスクチヤツキング装置において、上記
支持手段を板ばねから形成し、上記ターンテーブ
ルの上記反情報記録デイスク支持面側のスピンド
ル軸に関して駆動ピン挿通孔と略対称な位置に板
ばねのターンテーブルの外周方向への移動を規制
する規制手段を設けるとともに、上記反情報記録
デイスク支持面側に板ばねの弾性による板ばねの
規制手段側への移動および駆動ピン挿通孔への駆
動ピンの退避を許容して板ばねをターンテーブル
の反情報記録デイスク支持面に沿つて遊嵌保持す
る板ばねの保持手段を設けたことを特徴とするデ
イスクチヤツキング装置。 A turntable has a support surface that directly supports a metal hub in the center of the information recording disk, a chuck magnet disposed on the surface of the support surface that faces the metal hub, and a turntable that protrudes from a drive pin insertion hole and is attached to the opposite side of the turntable. A drive pin supported by a support means from the side of the information recording disk support surface, magnetically chucks the metal hub of the information recording disk, and rotates through a spindle shaft fitted in the center of the turntable. In a disk chucking device for rotationally driving an information recording disk, the support means is formed from a leaf spring, and the support means is located at a position approximately symmetrical to the drive pin insertion hole with respect to the spindle shaft on the side opposite to the support surface of the information recording disk of the turntable. A regulating means for regulating the movement of the leaf spring in the outer circumferential direction of the turntable is provided, and the elasticity of the leaf spring causes the leaf spring to move toward the regulating means side and into the drive pin insertion hole on the side opposite to the information recording disk support surface. 1. A disc chucking device comprising a leaf spring holding means for loosely fitting and holding the leaf spring along the opposite information recording disc support surface of the turntable while allowing the drive pin to retreat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3207089U JPH02123746U (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3207089U JPH02123746U (en) | 1989-03-23 | 1989-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02123746U true JPH02123746U (en) | 1990-10-11 |
Family
ID=31258376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3207089U Pending JPH02123746U (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02123746U (en) |
-
1989
- 1989-03-23 JP JP3207089U patent/JPH02123746U/ja active Pending