JPH046876U

JPH046876U -

Info

Publication number: JPH046876U
Application number: JP4718690U
Authority: JP
Priority date: 1990-05-02
Filing date: 1990-05-02
Publication date: 1992-01-22

Description

[Brief explanation of the drawing]

第１図〜第８図は本考案の実施例を示すもので
あつて、第１図は被検出手段及びその周辺の拡大
平面図、第２図は第１図の−線断面図、第３
図は下ハーフの拡大部分平面図、第４図は下ハー
フの拡大平面図、第５図は下ハーフ成形用金型の
拡大部分断面図、第６図及び第７図はカセツト情
報検出機構の要部拡大断面図、第８図は他の例に
よる被検出手段及びその周辺の第２図と同様の拡
大断面図である。第９図〜第１２図は従来例を示
すものであつて、第９図は８ミリビデオ用のテー
プカセツトの斜視図、第１０図は同テープカセツ
トの一部断面平面図、第１１図は下ハーフの拡大
部分平面図、第１２図は第１１図の−線
拡大断面図である。なお、図面に示された符号において、１……カ
セツト本体、１ａ……上ハーフ、１ｂ……下ハー
フ、２……磁気テープ、４……下ハーフの底壁、
２３……検出部、２６……検出用ピン、３０，３
０Ａ，３０Ｂ，３０Ｃ，３０Ｄ，３０Ｅ……被検
出手段、３１……接続部、３３……スリツト、３
４……貫通孔、３４ａ，４０ａ……円錐傾斜面、
４０……環状突部、ＰＵ……パンチ、である。 1 to 8 show an embodiment of the present invention, in which FIG. 1 is an enlarged plan view of the detection means and its surroundings, FIG.
The figure is an enlarged partial plan view of the lower half, Fig. 4 is an enlarged plan view of the lower half, Fig. 5 is an enlarged partial sectional view of the mold for forming the lower half, and Figs. 6 and 7 are of the cassette information detection mechanism. FIG. 8 is an enlarged sectional view of the main part and the same enlarged sectional view as FIG. 2 of the detected means and its surroundings according to another example. 9 to 12 show conventional examples, in which FIG. 9 is a perspective view of a tape cassette for 8 mm video, FIG. 10 is a partially sectional plan view of the same tape cassette, and FIG. FIG. 12 is an enlarged partial plan view of the lower half, and FIG. 12 is an enlarged sectional view taken along the - line in FIG. 11. In addition, in the symbols shown in the drawings, 1...cassette main body, 1a...upper half, 1b...lower half, 2...magnetic tape, 4...bottom wall of lower half,
23...detection section, 26...detection pin, 30,3
0A, 30B, 30C, 30D, 30E...Detected means, 31...Connection part, 33...Slit, 3
4... Through hole, 34a, 40a... Conical inclined surface,
40... annular protrusion, PU... punch.

Claims

[Scope of utility model registration request]

A means to be detected for detecting cassette information is provided in the cassette body, and the means to be detected forms a through hole opening in the surface of the cassette body;
The guide means is configured to be able to select whether to close the through hole, and relatively guides a tool for separating the detected means and the cassette body to form the through hole. A tape cassette installed in the cassette body.