JPS62117771U - - Google Patents
Info
- Publication number
- JPS62117771U JPS62117771U JP405286U JP405286U JPS62117771U JP S62117771 U JPS62117771 U JP S62117771U JP 405286 U JP405286 U JP 405286U JP 405286 U JP405286 U JP 405286U JP S62117771 U JPS62117771 U JP S62117771U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- circular hole
- case
- center core
- lower half
- 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
Description
第１図は本考案磁気デイスクカートリツジの部
分断面図、第２図は変形例の拡大部分断面図、第
３図は従来の磁気デイスクカートリツジの部分断
面図である。
図中符号：１…センターコア、２…底板、３…
中空円筒部材、４…フランジ、５…磁気デイスク
シート、６…中央孔、７…孔、８…上ハーフケー
ス、９…下ハーフケース、１０…円孔、１１…環
状リブ、１２…環状凹部、１３…テーパ面、１４
…テーパ面。
FIG. 1 is a partial sectional view of a magnetic disk cartridge of the present invention, FIG. 2 is an enlarged partial sectional view of a modified example, and FIG. 3 is a partial sectional view of a conventional magnetic disk cartridge. Codes in the figure: 1...center core, 2...bottom plate, 3...
Hollow cylindrical member, 4... flange, 5... magnetic disk sheet, 6... central hole, 7... hole, 8... upper half case, 9... lower half case, 10... circular hole, 11... annular rib, 12... annular recess, 13...Tapered surface, 14
...Tapered surface.
Claims (1)
スクシートと、該磁気デイスクシートの円孔周囲
が貼着された半径方向のフランジを有しかつ記録
再生装置に装着される中央孔を有するセンターコ
アとを、前記磁気デイスクシートの一部分を露出
する開口および前記センターコアを露出する円孔
とを有する下ハーフケースと上ハーフケースとの
組立体内に回転可能に収納した磁気デイスクカー
トリツジにおいて、前記センターコアを露出する
下ハーフケースの前記円孔のケース内面側の周縁
にわたつて、前記センターコアのフランジより大
径の環状凹部を有することを特徴とする磁気デイ
スクカートリツジ。 (2) 前記下ハーフケースの円孔のケース外面側
の周縁がテーパ面であり、前記センターコアのケ
ースから露出した端部の周縁が半径方向に広がる
テーパ面であることを特徴とする実用新案登録請
求の範囲第１項に記載の磁気デイスクカートリツ
ジ。[Claims for Utility Model Registration] (1) A flexible magnetic disk sheet having a circular hole in the center, a radial flange attached around the circular hole of the magnetic disk sheet, and installed in a recording/reproducing device. A magnetic disc rotatably housed in an assembly of a lower half case and an upper half case each having an opening exposing a portion of the magnetic disk sheet and a circular hole exposing the center core. A magnetic disk cartridge characterized in that the magnetic disk cartridge has an annular recess having a diameter larger than the flange of the center core, extending over the periphery of the inner side of the case of the circular hole of the lower half case that exposes the center core. . (2) A utility model characterized in that the circumferential edge of the circular hole of the lower half case on the outer surface of the case is a tapered surface, and the circumferential edge of the end portion of the center core exposed from the case is a tapered surface that spreads in the radial direction. A magnetic disk cartridge according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP405286U JPS62117771U (en) | 1986-01-17 | 1986-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP405286U JPS62117771U (en) | 1986-01-17 | 1986-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117771U true JPS62117771U (en) | 1987-07-27 |
Family
ID=30784369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP405286U Pending JPS62117771U (en) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117771U (en) |
-
1986
- 1986-01-17 JP JP405286U patent/JPS62117771U/ja active Pending