JPS61140489U - - Google Patents
Info
- Publication number
- JPS61140489U JPS61140489U JP2356585U JP2356585U JPS61140489U JP S61140489 U JPS61140489 U JP S61140489U JP 2356585 U JP2356585 U JP 2356585U JP 2356585 U JP2356585 U JP 2356585U JP S61140489 U JPS61140489 U JP S61140489U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- hub
- tape cassette
- pair
- hubs
- 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図は本考案の一実施態様の要部斜視図、第
2図は第1図に示すフリクシヨンシートのB―B
線に沿つて磁気テープカセツトを切断したときの
概略断面図、第3図は従来のフリクシヨンシート
を示す斜視図である。
1,10……フリクシヨンシート、2……矩形
凸部、5……ハブ穴、6……ハブ。
Fig. 1 is a perspective view of essential parts of an embodiment of the present invention, and Fig. 2 is a BB of the friction sheet shown in Fig. 1.
FIG. 3 is a schematic cross-sectional view taken when the magnetic tape cassette is cut along a line, and FIG. 3 is a perspective view showing a conventional friction sheet. 1, 10... Friction sheet, 2... Rectangular convex portion, 5... Hub hole, 6... Hub.
Claims (1)
ブの上下に配設されたフリクシヨンシートとを具
備した磁気テープカセツトにおいて、前記フリク
シヨンシートは、各ハブ穴中心に対称な位置にそ
れぞれ少なくとも一対の矩形凸部を有し、その対
同士の間隔がハブ外径よりも小さく構成されると
共に、該凸部の突出方向がカセツトケース内壁面
の方向に構成されたことを特徴とする磁気テープ
カセツト。 2 前記凸部が両ハブ穴中心を結ぶ線に対して平
行に構成されたことを特徴とする実用新案登録請
求の範囲第1項に記載の磁気テープカセツト。[Claims for Utility Model Registration] 1. A magnetic tape cassette comprising a pair of hubs around which magnetic tape is wound, and friction sheets disposed above and below the hubs, wherein the friction sheets are arranged on each hub. Each has at least one pair of rectangular protrusions at symmetrical positions about the center of the hole, the interval between the pairs is smaller than the outer diameter of the hub, and the protruding direction of the protrusions faces the inner wall surface of the cassette case. A magnetic tape cassette characterized by: 2. The magnetic tape cassette according to claim 1, wherein the convex portion is parallel to a line connecting the centers of both hub holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2356585U JPS61140489U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2356585U JPS61140489U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61140489U true JPS61140489U (en) | 1986-08-30 |
Family
ID=30516910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2356585U Pending JPS61140489U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61140489U (en) |
-
1985
- 1985-02-22 JP JP2356585U patent/JPS61140489U/ja active Pending