JPS63118743U - - Google Patents
Info
- Publication number
- JPS63118743U JPS63118743U JP1049987U JP1049987U JPS63118743U JP S63118743 U JPS63118743 U JP S63118743U JP 1049987 U JP1049987 U JP 1049987U JP 1049987 U JP1049987 U JP 1049987U JP S63118743 U JPS63118743 U JP S63118743U
- Authority
- JP
- Japan
- Prior art keywords
- centering
- center hole
- turntable
- information recording
- circular
- 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
- 239000000758 substrate Substances 0.000 claims 2
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は本考案に係る情報記録デイスクの芯出
装置の縦断面図で、第２図は第１図の―線か
ら視た平面図、第３図は同芯出装置の構成部品を
示す平面図で、第４図は第３図の―線縦断面
図、第５図は他の構成部品の一部を切除した平面
図で、第６図は同側面図、第７図は第５図の―
線縦断面図、第８図は従来の情報記録デイスク
の芯出装置を示す縦断面図である。
２１……デイスク、２２，２３……円形基板、
２４……ターンテーブル、２７……第１芯出部材
、３１……第２芯出部材、３７……位置決め駒、
４２……切換え駆動手段。
FIG. 1 is a longitudinal sectional view of the centering device for an information recording disk according to the present invention, FIG. 2 is a plan view taken from the line - in FIG. 1, and FIG. 3 shows the components of the centering device. FIG. 4 is a plan view of FIG. 3, FIG. 5 is a plan view with some of the other components cut away, FIG. Figure -
FIG. 8 is a longitudinal sectional view showing a conventional information recording disk centering device. 21... Disk, 22, 23... Circular board,
24... Turntable, 27... First centering member, 31... Second centering member, 37... Positioning piece,
42...Switching drive means.
Claims (1)
る一対の円形基板を信号記録層が内側となるよう
に互いに接合してなる情報記録デイスクをターン
テーブルに対して芯出しする芯出装置において、
ターンテーブルの回転中心軸に沿つて移動自在に
設けられてターンテーブルに当接する一方の円形
基板の中心孔に係合自在な第１芯出部材と、水平
方向に摺動自在な複数個の位置決め駒を他方の円
形基板の中心孔に係合自在とする第２芯出部材と
、上記の第１及び第２の芯出部材を択一的に駆動
して各中心孔に係合せしめる切換え駆動手段とか
ら構成したことを特徴とする情報記録デイスクの
芯出装置。 In a centering device for centering an information recording disk, which is formed by bonding a pair of circular substrates each having a signal recording layer and a center hole on the front and back sides with the signal recording layer facing inside, with respect to a turntable,
a first centering member that is movable along the rotational center axis of the turntable and that is engageable with the center hole of one of the circular substrates that abuts the turntable; and a plurality of positioning members that are slidable in the horizontal direction. A second centering member that allows the piece to freely engage with the center hole of the other circular board, and a switching drive that selectively drives the first and second centering members to engage each center hole. 1. A centering device for an information recording disk, comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1049987U JPS63118743U (en) | 1987-01-27 | 1987-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1049987U JPS63118743U (en) | 1987-01-27 | 1987-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118743U true JPS63118743U (en) | 1988-08-01 |
Family
ID=30796848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1049987U Pending JPS63118743U (en) | 1987-01-27 | 1987-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118743U (en) |
-
1987
- 1987-01-27 JP JP1049987U patent/JPS63118743U/ja active Pending
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