JPS59149275U - floppy disc - Google Patents
floppy discInfo
- Publication number
- JPS59149275U JPS59149275U JP4254083U JP4254083U JPS59149275U JP S59149275 U JPS59149275 U JP S59149275U JP 4254083 U JP4254083 U JP 4254083U JP 4254083 U JP4254083 U JP 4254083U JP S59149275 U JPS59149275 U JP S59149275U
- Authority
- JP
- Japan
- Prior art keywords
- metal ring
- hub
- magnetic disk
- floppy disc
- linear expansion
- 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
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来のフロッピーディスクの一例の斜視図、第
2図は従来のハブと磁気ディスクの断面図、第3図およ
び第4図はそれぞれ本考案のフロッピーディスクの各実
施例のハブと磁気ディスクの断面図、第5図は金属リン
グの線膨張係数による単位面積当りの磁気ディスクの内
部応力を示す特性図である。
5・・・・・・磁気ディスク、6a、 6b・・・・・
・ハブ、8・・・・・・金属リング、9・・・・・・接
着剤。FIG. 1 is a perspective view of an example of a conventional floppy disk, FIG. 2 is a sectional view of a conventional hub and magnetic disk, and FIGS. 3 and 4 are a hub and magnetic disk of each embodiment of the floppy disk of the present invention. The cross-sectional view of the disk, FIG. 5, is a characteristic diagram showing the internal stress of the magnetic disk per unit area due to the coefficient of linear expansion of the metal ring. 5...Magnetic disk, 6a, 6b...
・Hub, 8...Metal ring, 9...Adhesive.
Claims (2)
気ディスクを内蔵し、かつ、上記ハブと上記磁気ディス
クの間に上記磁気ディスクの線膨張係数17XlO−6
α/α/’ Cに近い金属材料から成る金属リングを介
在させて上記磁気ディスクと上記金属リング、および上
記金属リングと上記ハブとを接着剤で固着してなるフロ
ッピーディスク。(1) A built-in magnetic disk with a hub made of resin material attached to the center, and a linear expansion coefficient of 17XlO-6 between the hub and the magnetic disk.
A floppy disk formed by fixing the magnetic disk and the metal ring, and the metal ring and the hub with an adhesive, with a metal ring made of a metal material close to α/α/'C interposed therebetween.
cm/cm/” Cかなら25X10−6cm/an/
”Cの範囲から成る実用新案登録請求の範囲第(1)項
記載のフロッピーディスク。(2) The coefficient of linear expansion of the metal ring material is IOXIO-6
cm/cm/”C 25X10-6cm/an/
``The floppy disk according to claim (1) of the utility model registration claim consisting of the scope C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4254083U JPS59149275U (en) | 1983-03-23 | 1983-03-23 | floppy disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4254083U JPS59149275U (en) | 1983-03-23 | 1983-03-23 | floppy disc |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59149275U true JPS59149275U (en) | 1984-10-05 |
JPH0127187Y2 JPH0127187Y2 (en) | 1989-08-14 |
Family
ID=30173077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4254083U Granted JPS59149275U (en) | 1983-03-23 | 1983-03-23 | floppy disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59149275U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61148667A (en) * | 1984-12-20 | 1986-07-07 | Fujitsu Ltd | Attaching structure of magnetic disc |
-
1983
- 1983-03-23 JP JP4254083U patent/JPS59149275U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61148667A (en) * | 1984-12-20 | 1986-07-07 | Fujitsu Ltd | Attaching structure of magnetic disc |
Also Published As
Publication number | Publication date |
---|---|
JPH0127187Y2 (en) | 1989-08-14 |
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