JPS59142979U

JPS59142979U - tape cassette

Info

Publication number: JPS59142979U
Application number: JP3361883U
Authority: JP
Inventors: 雅之原田
Original assignee: ソニー株式会社
Priority date: 1983-03-09
Filing date: 1983-03-09
Publication date: 1984-09-25
Also published as: JPH051021Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のビデオテープレコーダ用テープカセット
の一例を示す平面図、第２図は第１図のカセット筐体の
後端側におけるコーナ一部分の切欠斜視図、第３図は第
１図のニー■線での拡大断面図である。第４図は本考案
によるテープカセットの第１実施例を示す下ハーフ側か
ら見た要部の斜視図、第５図は第４図のＶ−Ｖ線断面図
、第６図は電５図のＶＩ−ＶＩ線断面図、第７図は本考
案によるテープカセットの第２実施例を示す要部の断面
図、第８図は第７図の■−■線断面図、第９図は本考案
の第３実施例を示す要部の断面図、第１０図は第９図の
Ｘ−Ｘ線断面図である。なお図面に用いられている符号において、１・・・カセ
ット筐体、２・・・上ハーフ、３・・・下ハーフ、３４
．３８・・・検出孔、４１．４２・・・検出孔、４７゜
４８・・・検出孔、３１．４１．４９・・・ピンである
。　、、。第２図７″　　　１．３７、、　　　　４０　４ｏＪｇ、　　　　　１命　３４２FIG. 1 is a plan view showing an example of a conventional tape cassette for a video tape recorder, FIG. 2 is a cutaway perspective view of a portion of the rear end corner of the cassette housing shown in FIG. 1, and FIG. FIG. 3 is an enlarged cross-sectional view taken along the knee line. Fig. 4 is a perspective view of the main parts of the first embodiment of the tape cassette according to the present invention, seen from the lower half side, Fig. 5 is a sectional view taken along the line V-V in Fig. 4, and Fig. 6 is a diagram FIG. 7 is a cross-sectional view of essential parts showing the second embodiment of the tape cassette according to the present invention, FIG. 8 is a cross-sectional view along the ■-■ line of FIG. FIG. 10 is a cross-sectional view of the main part showing the third embodiment of the invention, and FIG. 10 is a cross-sectional view taken along the line X--X in FIG. 9. In addition, in the symbols used in the drawings, 1... cassette housing, 2... upper half, 3... lower half, 34
．． 38...Detection hole, 41.42...Detection hole, 47°48...Detection hole, 31.41.49...Pin. ,,. Figure 2 7″ 1.3 7,, 40 4oJg, 1 life 342

Claims

[Scope of utility model registration request]

In a tape cassette that is provided with a plurality of detection holes that penetrate between the upper and lower halves of the cassette housing in order to detect various performances and functions of the tape cassette by optical detection, in order to selectively close each of the detection holes, A tape cassette characterized in that pins are attached to each of these detection holes so that they can be inserted into and removed from them.