JPH0175373U - - Google Patents
Info
- Publication number
- JPH0175373U JPH0175373U JP1987170497U JP17049787U JPH0175373U JP H0175373 U JPH0175373 U JP H0175373U JP 1987170497 U JP1987170497 U JP 1987170497U JP 17049787 U JP17049787 U JP 17049787U JP H0175373 U JPH0175373 U JP H0175373U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- optical disk
- center
- hole
- groove
- 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 description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Description
第１図は本考案のハブの一実施例を示す平面図
、第２図は第１図のＡ―Ａ断面図、第３図は本実
施例に示すハブを取付けた光デイスク基板の要部
断面図、第４図は従来のハブを取付けた光デイス
ク基板の要部断面図である。
符号の説明、１…ハブ、１ａ…孔部、２…溝部
、３…溝部、４…環状突出部、５…磁性板、６…
光デイスク基板、６ａ…孔部、７…接着剤、８…
ハブ。
Fig. 1 is a plan view showing one embodiment of the hub of the present invention, Fig. 2 is a sectional view taken along line AA in Fig. 1, and Fig. 3 is a main part of an optical disk substrate to which the hub shown in this embodiment is attached. FIG. 4 is a cross-sectional view of a main part of an optical disk substrate to which a conventional hub is attached. Explanation of symbols: 1... hub, 1a... hole, 2... groove, 3... groove, 4... annular protrusion, 5... magnetic plate, 6...
Optical disk substrate, 6a...hole, 7...adhesive, 8...
hub.
Claims (1)
に取りつけるハブであつて、プラスチツクからな
り片面に磁性体を固定したものにおいて、磁性板
を固定しない他面に、中央部に上記孔部に嵌合す
る環状突出部と、該環状突出部の周囲に隣接する
溝部と、該溝部に沿いかつ不連続の溝部を形成し
たことを特徴とする光デイスク用ハブ。 ２ プラスチツクが熱可塑性樹脂であることを特
徴とする実用新案登録請求の範囲第１項記載の光
デイスク用ハブ。[Scope of Claim for Utility Model Registration] 1. A hub that is attached to the center of an optical disk substrate having a hole in the center, which is made of plastic and has a magnetic material fixed to one side, with the other surface not having a magnetic plate fixed to it. A hub for an optical disk, characterized in that an annular protrusion that fits into the hole is formed in the center, a groove adjacent to the circumference of the annular protrusion, and a discontinuous groove extending along the groove. 2. The hub for an optical disk according to claim 1, wherein the plastic is a thermoplastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170497U JPH0175373U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170497U JPH0175373U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175373U true JPH0175373U (en) | 1989-05-22 |
Family
ID=31461497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170497U Pending JPH0175373U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175373U (en) |
-
1987
- 1987-11-06 JP JP1987170497U patent/JPH0175373U/ja active Pending
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