JPH0361678U - - Google Patents
Info
- Publication number
- JPH0361678U JPH0361678U JP12142789U JP12142789U JPH0361678U JP H0361678 U JPH0361678 U JP H0361678U JP 12142789 U JP12142789 U JP 12142789U JP 12142789 U JP12142789 U JP 12142789U JP H0361678 U JPH0361678 U JP H0361678U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- brake
- cylindrical part
- brake button
- disc
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１Ａ図は、本考案に係る磁気テープカセツト
の一実施例のブレーキボタンを示す側断面図、第
１Ｂ図は、第１Ａ図のＢ方向矢視図、第２図は
、上記実施例のカセツトケースを示す正面図、第
３Ａ図は、従来例を示す、第１Ａ図と同様の図、
第３Ｂおよび３Ｃ図は、第３Ａ図のＢおよび
Ｃ方向矢視図、第４Ａ図は、上記従来例を示す、
第２図と同様の図、第４Ｂ図は、第４Ａ図のＢ
−Ｂ線断面図である。
１０……ブレーキボタン、１２……歯、１４…
…デイスク部、１６……押圧部、１８……筒状部
、１８ａ……内周面、２０……溝、２２……ブレ
ーキバネ、２４……カセツトケース、２６……回
り止めボス、２８……フツク、３０……スプライ
ン溝、３２……スプライン凸部（突起部）。
FIG. 1A is a side sectional view showing a brake button of an embodiment of the magnetic tape cassette according to the present invention, FIG. 1B is a view taken in the direction of arrow B in FIG. 1A, and FIG. 2 is a sectional view of the cassette of the above embodiment. A front view showing the case, FIG. 3A is a diagram similar to FIG. 1A showing a conventional example,
3B and 3C are views taken in the direction of arrows B and C in FIG. 3A, and FIG. 4A shows the conventional example,
A diagram similar to Figure 2, Figure 4B is B of Figure 4A.
-B sectional view. 10... Brake button, 12... Teeth, 14...
... Disk portion, 16 ... Pressing portion, 18 ... Cylindrical portion, 18a ... Inner peripheral surface, 20 ... Groove, 22 ... Brake spring, 24 ... Cassette case, 26 ... Stopping boss, 28 ... ...Hook, 30... Spline groove, 32... Spline convex portion (protrusion).
Claims (1)
成されたデイスク部と、このデイスク部の前記一
側面の中央に形成された押圧部と、前記デイスク
部の他側面に立設された筒状部とからなり、前記
デイスク部の前記他側面に前記筒状部を囲むリン
グ状の溝が形成されたブレーキボタンを備え、 前記ブレーキボタンの前記溝内にコイル状のブ
レーキバネの一端部が挿着された状態で、前記ブ
レーキボタンの前記筒状部が、カセツトケース内
面に立設された回り止めボスに挿着されてなる磁
気テープカセツトにおいて、 前記ブレーキボタンの前記溝近傍部分に、該溝
内に挿着された前記ブレーキバネと係合して該ブ
レーキバネの離脱を防止するフツクが形成され、 前記ブレーキボタンの前記筒状部内周面にスプ
ライン溝が形成されるとともに、前記回り止めボ
スに前記スプライン溝と係合する突起部が形成さ
れていることを特徴とする磁気テープカセツト。[Claims for Utility Model Registration] A disc portion in which a plurality of teeth for reel locking are formed radially on one side surface, a pressing portion formed in the center of the one side surface of the disk portion, and a cylindrical part erected on the other side of the disc part, the brake button having a ring-shaped groove surrounding the cylindrical part formed on the other side of the disc part, and a coil in the groove of the brake button. In the magnetic tape cassette, the cylindrical part of the brake button is inserted into a detent boss provided upright on the inner surface of the cassette case with one end of a shaped brake spring inserted therein. A hook is formed in the vicinity of the groove to engage with the brake spring inserted into the groove to prevent the brake spring from coming off, and a spline groove is formed on the inner peripheral surface of the cylindrical part of the brake button. 1. A magnetic tape cassette, wherein the rotation stopper boss is formed with a protrusion that engages with the spline groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12142789U JPH0361678U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12142789U JPH0361678U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361678U true JPH0361678U (en) | 1991-06-17 |
Family
ID=31669460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12142789U Pending JPH0361678U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361678U (en) |
-
1989
- 1989-10-17 JP JP12142789U patent/JPH0361678U/ja active Pending
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