JPS58151970U

JPS58151970U - disk cassette

Info

Publication number: JPS58151970U
Application number: JP4721882U
Authority: JP
Inventors: 芝池　成人; 南出　整宏
Original assignee: 松下電器産業株式会社
Priority date: 1982-03-31
Filing date: 1982-03-31
Publication date: 1983-10-12

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図は本考案の一実施例のディスクカセットの外観斜
視図、第２図は同ディスクカセットの内部構成を示す一
部切欠平面図、第３図は同ディスクカセットのガード板
の構成を示す斜視図、第４図は同ディスクカセットの要
部断面図である。１・・・・・・ディスクカセット筐体、２・・・・・・
上板、３・・・・・・下板、４・・・・・・磁気シート
、５・・・・・・係合部、９ａ、　　９ｂ・・・・・・
開口窓、１１・・・・・・ガード板、１２ａ。１２ｂ・・・・・・遊端部、１６・・・・・・バネ。第３図Ｉ６第４図宜ヂ／／　’ｊ　ｌ’　、６’　／そりグ“−１シ　Ｉ
［。ｌみ；い− ｔ４　　　９ｂFig. 1 is an external perspective view of a disc cassette according to an embodiment of the present invention, Fig. 2 is a partially cutaway plan view showing the internal structure of the disc cassette, and Fig. 3 is a diagram showing the structure of a guard plate of the disc cassette. The perspective view and FIG. 4 are sectional views of essential parts of the disk cassette. 1... Disk cassette housing, 2...
Upper plate, 3... Lower plate, 4... Magnetic sheet, 5... Engaging portion, 9a, 9b...
Opening window, 11...guard plate, 12a. 12b...Free end portion, 16...Spring. Figure 3 I6 Figure 4 I
[. I;I- t4 9b

Claims

[Scope of utility model registration request]

(1) A magnetic disk having an engaging part thicker than the magnetic sheet in the center of the magnetic sheet is rotatably housed in a cassette housing, and an opening into which a magnetic head for recording and reproduction is inserted into the housing. A guard plate having a U-shaped cross section is provided with a first guard plate that sandwiches the magnetic disk and covers the opening.
and a second position in which the opening is opened, and the free end of the guard plate is arranged to be movable between the position of the guard plate and the second position in which the opening thereof is opened, and when the guard plate is located in the first position, the free end portion of the guard plate is provided so as to be movable between A disc cassette characterized in that it is configured so as to be located above a joint.

(2) A spring that biases the guard plate in one direction is disposed within the bent portion of the guard, and one end of the spring is attached to the guard plate;
The disc cassette according to claim 1, wherein the other end is locked to the casing.