JPH0250852U - - Google Patents
Info
- Publication number
- JPH0250852U JPH0250852U JP12887988U JP12887988U JPH0250852U JP H0250852 U JPH0250852 U JP H0250852U JP 12887988 U JP12887988 U JP 12887988U JP 12887988 U JP12887988 U JP 12887988U JP H0250852 U JPH0250852 U JP H0250852U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- rotation center
- shaft
- outer periphery
- rotational drive
- 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
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
第１図のクランプ前の状態を示す断面図、第３図
は従来例の断面図である。
１……ターンテーブル、２……回転駆動軸、３
……デイスクセンタリングハブ、４ａ，４ｂ……
リング部材、５……スプリング、６……クランパ
センタリングハブ、７……磁石、８ａ，８ｂ……
ヨーク、９……スプリング、１０……クランパ、
１１……回転中心軸、１２……デイスク。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view of the state shown in FIG. 1 before clamping, and FIG. 3 is a sectional view of a conventional example. 1...Turntable, 2...Rotation drive shaft, 3
...Disk centering hub, 4a, 4b...
Ring member, 5... Spring, 6... Clamper centering hub, 7... Magnet, 8a, 8b...
Yoke, 9...spring, 10...clamper,
11...Rotation center axis, 12...Disk.
Claims (1)
に固定し上端外周部にデイスクの円形中心穴に嵌
合するテーパ部を持ち、上端部内側にリング状の
くぼみ部を持つデイスクセンタリングハブ部、お
よび前記デイスクの下面を保持する部材を有する
ターンテーブルと、回転中心軸、この回転中心軸
に実質的に同心に固定し下端外周部に前記円形中
心穴の外周に嵌合して前記回転中心軸を前記回転
駆動軸と実質的に同心とするテーパ部を持つクラ
ンパセンタリングハブ部、および前記デイスクの
上面を保持する部材を有するクランパとを具備す
ることを特徴とする光デイスククランプ機構。 a rotational drive shaft; and a disk centering hub portion fixed substantially concentrically to the rotational drive shaft, having a tapered portion on the outer periphery of the upper end that fits into the circular center hole of the disk, and a ring-shaped recessed portion on the inner side of the upper end. and a turntable having a member that holds the lower surface of the disk, a rotation center shaft, a turntable that is fixed substantially concentrically to the rotation center shaft and that is fitted to the outer periphery of the circular center hole at the outer periphery of the lower end, and the rotation center is fixed substantially concentrically to the rotation center shaft. An optical disk clamping mechanism comprising: a clamper centering hub portion having a tapered portion whose shaft is substantially concentric with the rotational drive shaft; and a clamper having a member that holds the upper surface of the disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12887988U JPH0250852U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12887988U JPH0250852U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250852U true JPH0250852U (en) | 1990-04-10 |
Family
ID=31382629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12887988U Pending JPH0250852U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001015157A1 (en) * | 1999-08-20 | 2001-03-01 | Matsushita Electric Industrial Co., Ltd. | Disk holding mechanism and disk holding mechanism clamper |
-
1988
- 1988-09-30 JP JP12887988U patent/JPH0250852U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001015157A1 (en) * | 1999-08-20 | 2001-03-01 | Matsushita Electric Industrial Co., Ltd. | Disk holding mechanism and disk holding mechanism clamper |