JPH0439844U - - Google Patents
Info
- Publication number
- JPH0439844U JPH0439844U JP8027890U JP8027890U JPH0439844U JP H0439844 U JPH0439844 U JP H0439844U JP 8027890 U JP8027890 U JP 8027890U JP 8027890 U JP8027890 U JP 8027890U JP H0439844 U JPH0439844 U JP H0439844U
- Authority
- JP
- Japan
- Prior art keywords
- center pin
- hub
- hub hole
- drive device
- disk 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 3
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図〜第４図は実施例の光デイスク駆動装置
の断面図、第５図は光デイスクの平面図、第６図
は従来例の断面図である。
図において、２……光デイスク本体、４……ハ
ブ、６……ハブ穴、１０……永久磁石、１２……
クランプ本体、１８……セラミツクセンターピン
、２０……テーパー部。
1 to 4 are cross-sectional views of an optical disk drive device according to an embodiment, FIG. 5 is a plan view of an optical disk, and FIG. 6 is a cross-sectional view of a conventional example. In the figure, 2... Optical disk body, 4... Hub, 6... Hub hole, 10... Permanent magnet, 12...
Clamp body, 18...ceramic center pin, 20...tapered part.
Claims (1)
駆動するための装置において、 ハブ穴に挿入して位置決めをするためのセンタ
ーピンを設けると共に、センターピンの材質をセ
ラミツクとしたことを特徴とする、デイスク駆動
装置。 (2) 請求項１に記載のデイスク駆動装置におい
て、センターピンのハブ穴との接触部を、先端を
細くしたテーパー状としたことを特徴とする、デ
イスク駆動装置。[Scope of Claim for Utility Model Registration] (1) In a device for driving a disk having a hub and a hub hole at the center, a center pin is provided to be inserted into the hub hole for positioning, and the material of the center pin is A disk drive device characterized by being made of ceramic. (2) The disk drive device according to claim 1, wherein the contact portion of the center pin with the hub hole has a tapered shape with a tapered tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990080278U JP2564006Y2 (en) | 1990-07-28 | 1990-07-28 | Disk drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990080278U JP2564006Y2 (en) | 1990-07-28 | 1990-07-28 | Disk drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0439844U true JPH0439844U (en) | 1992-04-03 |
| JP2564006Y2 JP2564006Y2 (en) | 1998-03-04 |
Family
ID=31625193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990080278U Expired - Lifetime JP2564006Y2 (en) | 1990-07-28 | 1990-07-28 | Disk drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2564006Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01185869A (en) * | 1988-01-21 | 1989-07-25 | Nec Corp | Magnetic disk device |
-
1990
- 1990-07-28 JP JP1990080278U patent/JP2564006Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01185869A (en) * | 1988-01-21 | 1989-07-25 | Nec Corp | Magnetic disk device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2564006Y2 (en) | 1998-03-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |