JPS5999268U

JPS5999268U - Disc cassette for recording and playback

Info

Publication number: JPS5999268U
Application number: JP19825982U
Authority: JP
Inventors: 舟山　正教; 根本　常夫
Original assignee: ソニー株式会社
Priority date: 1982-12-24
Filing date: 1982-12-24
Publication date: 1984-07-05
Also published as: JPS6316053Y2

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]

図面は本考案を適用した記録再生用ディスクカセットの
実施例を示したものであって、第１図はシャッターを分
解して示したカセット筐体の斜視図、第２Ａ図及び第２
Ｂ図はシャッターによるカセット筐体のヘッド挿入孔の
開閉状況を説明する要部の下面図、第３図はシャッター
の一部切欠き斜視図、第４図はシャッターの組立て要領
を説明する要部の下面図、第５図は第４図■−■線での
拡大断面図、第６図は第４図ＶＩ−ＶＩ線での拡大断面
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・・・・・・カセット筐体の一端縁、
２・・・・・・上ハーフ、３・・・・・・下ハーフ、４
・・・・・・ディスク状記録媒体、８・・・・・・挿入
孔、１１・・・・・・シャッター、１１ａ・・・・・・
シャッターの上片、１１ｂ・・・・・・シャッターの下
片、１１Ｃ・・・・・・シャッターの垂直片、１３・・
・・・・窓孔、１８・・・・・・第１の突起、１９・・
・・・・第２の突起、２０・・・・・・第３の突起、２
１・・・・・・第１のガイド溝、２２・・・・・・第２
のガイド溝、３２・・・・・・切欠き、３５．３６・・
・・・・テーパー面、である。The drawings show an embodiment of a recording/reproducing disk cassette to which the present invention is applied, and FIG. 1 is a perspective view of the cassette housing with the shutter disassembled, FIG. 2A and FIG.
Figure B is a bottom view of the main part explaining how the shutter opens and closes the head insertion hole of the cassette case, Figure 3 is a partially cutaway perspective view of the shutter, and Figure 4 is the main part explaining how to assemble the shutter. FIG. 5 is an enlarged sectional view taken along the line ■--■ in FIG. 4, and FIG. 6 is an enlarged sectional view taken along the line VI--VI in FIG. 4. In addition, in the symbols used in the drawings, 1... cassette housing, 1a... one end edge of the cassette housing,
2...Top half, 3...Bottom half, 4
...Disk-shaped recording medium, 8...Insertion hole, 11...Shutter, 11a...
Upper piece of shutter, 11b... Lower piece of shutter, 11C... Vertical piece of shutter, 13...
...Window hole, 18...First protrusion, 19...
...Second protrusion, 20...Third protrusion, 2
1...First guide groove, 22...Second
Guide groove, 32... Notch, 35.36...
...Tapered surface.

Claims

[Scope of utility model registration request]

A cassette housing consisting of an upper and a lower half and having a head insertion hole formed in at least one of the upper and lower halves, a disk-shaped recording medium rotatably housed in the cassette housing, and the upper and lower halves. The pieces are integrally provided and have an S-3 shape in cross section, and are inserted into the outside of the upper and lower halves from one end edge of the cassette housing and are movably attached along the one end edge of the cassette housing. a shutter configured to open and close the head insertion hole on at least one of the upper or lower pieces; a guide groove provided in the lower half at a position near one end edge of the cassette housing and parallel to the one end edge; In the recording/reproducing disk cassette, the recording/reproducing disk cassette includes a plurality of protrusions that are integrally provided inside the lower piece of the shutter at intervals in the length direction of the guide groove and are engaged with the guide groove. A plurality of all protrusions are individually cut and raised inside the lower piece of the shutter by press working.
A tapered surface extending to the guide groove is provided on one end edge of the lower half, and the shutter is connected from the one end edge of the cassette housing to the outside of the upper and lower halves. A disc cassette for recording and reproducing, characterized in that the plurality of protrusions are guided by the tapered surface and are guided and held in the guide groove by inserting the protrusions against the guide groove.