JPH046885U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第１３図は本考案の実施例を示すもの
であつて、第１図は被検出手段の拡大平面図、第
２図は第１図の−線断面図、第３図は同じく
−線断面図、第４図は同じく−線断面図
、第５図は下ハーフの拡大部分平面図、第６図は
下ハーフの拡大平面図、第７Ａ図及び第７Ｂ図は
下ハーフ成形用金型の拡大部分断面図、第８図及
び第９図はカセツト情報検出機構の要部拡大断面
図、第１０図、第１１図及び第１２図は夫々他の
例による被検出手段の拡大平面図、第１３図は第
１２図の−線断面図である。第１４図〜
第１６図は貫通孔の開口を容易にした改良された
カセツト本体を示し、第１４図は下ハーフの拡大
部分平面図、第１５図は第１４図の−線
拡大断面図、第１６図は同じく−線拡大
断面図である。第１７図〜第２０図は従来例を示
すものであつて、第１７図は８ミリビデオ用のテ
ープカセツトの斜視図、第１８図は同テープカセ
ツトの一部断面平面図、第１９図は同テープカセ
ツトの誤消去防止機構周辺の内部拡大平面図、第
２０図は第１９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……底壁、２３……検
出部、２６……検出用ピン、３０，３０Ａ，３０
Ｂ，３０Ｃ，３０Ｄ，３０Ｅ，５０……被検出手
段、３１，３２，３３……パンチ、３４……凹部
、３５，９５……貫通孔、３７……円板部分、３
８……耳、３８ａ，９８Ａ……厚肉接続部、３８
ｂ，９８Ｂ……薄肉接続部、３９Ａ，３９Ｂ，９
９Ａ，９９Ｂ……溝、４０，９０……スリツト、
９７……閉塞板、である。 1 to 13 show an embodiment of the present invention, in which FIG. 1 is an enlarged plan view of the means to be detected, FIG. 2 is a sectional view taken along the line -- of FIG. 1, and FIG. - Line sectional view, Figure 4 is a - line sectional view, Figure 5 is an enlarged partial plan view of the lower half, Figure 6 is an enlarged plan view of the lower half, Figures 7A and 7B are for lower half molding. FIGS. 8 and 9 are enlarged partial sectional views of the mold; FIGS. 8 and 9 are enlarged sectional views of essential parts of the cassette information detection mechanism; FIGS. 10, 11, and 12 are enlarged plane views of detection means according to other examples. 13 is a sectional view taken along the line -- in FIG. 12. Figure 14~
Fig. 16 shows an improved cassette body in which the opening of the through hole is made easier, Fig. 14 is an enlarged partial plan view of the lower half, Fig. 15 is an enlarged sectional view taken along the line - - in Fig. 14, and Fig. 16 is an enlarged partial plan view of the lower half. It is also an enlarged cross-sectional view along the - line. 17 to 20 show conventional examples, in which FIG. 17 is a perspective view of a tape cassette for 8 mm video, FIG. 18 is a partially sectional plan view of the tape cassette, and FIG. FIG. 20 is an enlarged plan view of the inside of the tape cassette around the erroneous erasure prevention mechanism, and FIG. 20 is an enlarged sectional view taken along the line -- in FIG. 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, 23...Detection section, 26...Detection pin, 30, 30A, 30
B, 30C, 30D, 30E, 50...Detection means, 31, 32, 33...Punch, 34...Recess, 35, 95...Through hole, 37...Disc portion, 3
8...Ear, 38a, 98A...Thick wall connection part, 38
b, 98B...thin connection part, 39A, 39B, 9
9A, 99B...Groove, 40,90...Slit,
97...Occlusion plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カセツト情報を検出するための被検出手段がカ
セツト本体に設けられ、前記被検出手段が前記カ
セツト本体の面を開口する貫通孔を形成するか、
この貫通孔を閉塞するかのいずれか一方を選択で
きるように構成され、前記貫通孔を形成した状態
で前記被検出手段と前記カセツト本体とを接続す
る接続部を有するテープカセツト。 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;
A tape cassette that is configured so that either one of the through holes can be closed or the other is selected, and has a connecting portion that connects the detection means and the cassette body with the through holes formed.