JPH03110678U - - Google Patents
Info
- Publication number
- JPH03110678U JPH03110678U JP1981190U JP1981190U JPH03110678U JP H03110678 U JPH03110678 U JP H03110678U JP 1981190 U JP1981190 U JP 1981190U JP 1981190 U JP1981190 U JP 1981190U JP H03110678 U JPH03110678 U JP H03110678U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- insertion hole
- lower shell
- spindle insertion
- metal plate
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図ａ，ｂは本考案の磁気デイスクカセツト
の一実施例を示す図で、同図ａは下シエルの内面
を示す平面図、同図ｂは同図ａの下シエルと磁気
デイスク体との関係を拡大して示す部分断面図、
第２図は第１図ａに示す下シエルと対をなす上シ
エルを示す第１図ａ相当図、第３図は本考案の磁
気デイスクカセツトの他の実施例を示す第１図ａ
相当図、第４図は従来の磁気デイスクカセツトの
外観を示す平面図、第５図ａ，ｂは従来の磁気デ
イスク体の要部を示す図で、同図ａは第４図の
−線方向の中央部を示す部分断面図、同図ｂは
同図ａの右半分を拡大して示す部分断面図である
。
１……容器、２……磁気デイスク体、３……金
属板、４……ハブ、１１……下シエル、１１Ｃ，
１１Ｃ′……突起部、１２……上シエル、１２Ｃ
′……突起部。
Figures 1a and 1b are views showing one embodiment of the magnetic disk cassette of the present invention, in which figure a is a plan view showing the inner surface of the lower shell, and figure b is a plan view showing the lower shell and magnetic disk body in figure a. A partial cross-sectional view showing the relationship between
Fig. 2 is a view corresponding to Fig. 1a showing the upper shell paired with the lower shell shown in Fig. 1a, and Fig. 3 is a view corresponding to Fig. 1a showing another embodiment of the magnetic disk cassette of the present invention.
4 is a plan view showing the external appearance of a conventional magnetic disk cassette, and FIGS. 5 a and 5 b are views showing the main parts of a conventional magnetic disk body. Figure b is a partial cross-sectional view showing the right half of Figure a on an enlarged scale. 1... Container, 2... Magnetic disk body, 3... Metal plate, 4... Hub, 11... Lower shell, 11C,
11C'... Protrusion, 12... Upper shell, 12C
'……protrusion.
Claims (1)
エルとからなる容器に、磁気デイスク体を、その
金属板に支持されたハブがスピンドル挿入孔に嵌
入した状態で、回転自在に収納してなる磁気デイ
スクカセツトにおいて、上記下シエル及び上シエ
ルのうち少なくとも上記金属板が接触する下シエ
ルのスピンドル挿入孔周縁部の内面に、突端に丸
味を有する突起部を周方向に分散させて少なくと
も３個設けたことを特徴とする磁気デイスクカセ
ツト。 A magnetic disk in which a magnetic disk body is rotatably housed in a container consisting of an upper shell and a lower shell in which a spindle insertion hole is formed, with the hub supported by the metal plate fitted into the spindle insertion hole. In the cassette, at least three protrusions having rounded tips are provided on the inner surface of the peripheral edge of the spindle insertion hole of the lower shell, which is in contact with at least the metal plate of the lower shell and the upper shell, and are distributed in the circumferential direction. A magnetic disk cassette featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981190U JPH03110678U (en) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981190U JPH03110678U (en) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110678U true JPH03110678U (en) | 1991-11-13 |
Family
ID=31522916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981190U Pending JPH03110678U (en) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110678U (en) |
-
1990
- 1990-02-28 JP JP1981190U patent/JPH03110678U/ja active Pending