JPS5960790U

JPS5960790U - tape cassette

Info

Publication number: JPS5960790U
Application number: JP15484682U
Authority: JP
Inventors: 根本　常夫
Original assignee: ソニー株式会社
Priority date: 1982-10-13
Filing date: 1982-10-13
Publication date: 1984-04-20
Also published as: JPH0110798Y2

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はビデオテープレコーダ用の従来のテープカセッ
トを示した一部切欠斜視図、第２図は同上の平面図であ
る。第３図〜第６図は本考案をビデオテープレコーダ用
のテープカセットに適用した実施例を示したものであっ
て、第３図は要部の分解斜視図、第４図は同上の組立て
完了状態を示した斜視図、第５図は第４図■−ｖ線断面
図、第　　　　　−６図は変形例を示した第４図同様の
斜視図である。また図面に用いられた符号において、１・・・・・・カ
セット筐体、１ａ、　　１ｂ・・・・・・カセット筐体
の両側壁、２・・・・・・上ハーフ、３・・・・・・下
ハーフ、４・・・・・・止ビス、５，６・・・・・・リ
ール、７・・・・・・磁気テープ、１４・・・・・・発
光素子挿入孔、１５，１６・・・・・・筒状壁、１９．
２０・・・・・・窓孔、２１．２２・・・・・・光検出
窓、２６・・・・・・発光素子、２７．２８・・・・・
・受光素子、３０・・・・・・閉塞体、３０ａ・・・・
・・閉塞体の下端、３０ｂ・・・・・・閉塞体の上端で
ある。FIG. 1 is a partially cutaway perspective view showing a conventional tape cassette for a video tape recorder, and FIG. 2 is a plan view of the same. Figures 3 to 6 show an embodiment in which the present invention is applied to a tape cassette for a video tape recorder. Figure 3 is an exploded perspective view of the main parts, and Figure 4 is a completed assembly of the same. FIG. 5 is a sectional view taken along line 4--v in FIG. 4, and FIG. 6 is a perspective view similar to FIG. 4 showing a modification. In addition, in the symbols used in the drawings, 1...Cassette housing, 1a, 1b...Both side walls of the cassette housing, 2...Upper half, 3... ...Lower half, 4...Setting screw, 5, 6...Reel, 7...Magnetic tape, 14...Light emitting element insertion hole, 15 , 16... Cylindrical wall, 19.
20... Window hole, 21.22... Light detection window, 26... Light emitting element, 27.28...
・Light receiving element, 30...Closing body, 30a...
. . . lower end of the closure body, 30b . . . upper end of the closure body.

Claims

[Scope of utility model registration request]

A cassette housing configured by combining an upper half and a lower half from above and below, a pair of left and right reels housed in the cassette housing, and tapes wound around the reels;
A light emitting element insertion hole is opened in the lower bar 7 at a position corresponding to the middle part of both reels, and a light emitting element insertion hole is formed in the upper half and the lower half to surround the light emitting element insertion hole inside the cassette housing. A pair of upper and lower cylindrical walls are formed integrally with each other, and a pair of left and right window holes are provided at the center of S' on both left and right sides of the cylindrical wall in the vertical direction, and The tape cassette has a pair of left and right photodetection windows facing each other and provided on both left and right sides of the cassette housing.The tape cassette is fitted into the pair of upper and lower cylindrical walls to close the pair of left and right window holes. The cross section formed of a transparent or semi-transparent member is provided with a U-shaped closing body, and the pair of upper and lower cylindrical walls are placed between the inner and outer peripheries of the upper and lower ends of the closing body ρ. A tape cassette characterized in that the upper half and the lower half can be temporarily fixed by the closing body by fitting with frictional force.