JPS6355269U

JPS6355269U -

Info

Publication number: JPS6355269U
Application number: JP14913286U
Authority: JP
Priority date: 1986-09-29
Filing date: 1986-09-29
Publication date: 1988-04-13

Description

[Brief explanation of the drawing]

第１図は本考案における外観斜視図。第２図は
第１図における上ケース、デイスク、下ケースを
分離した分解斜視図。第３図ａは第２図における
下ケースをデイスク側より見た図でシヤツター閉
塞状態を示す平面図。第３図ｂは第２図における
上ケースをデイスク側より見た図でシヤツター閉
塞状態を示す平面図。第４図ａは第３図ａよりシ
ヤツターが開放状態となつた平面図。第４図ｂは
第３図ｂよりシヤツターが開放状態となつた平面
図。第５図は第３図における下ケースの各部品を
分離した分解斜視図。第６図は第１図をＦ側より
見た側面図。第７図は第１図におけるＡ―Ａ断面
図。第８図は第１図におけるＢ―Ｂ断面図。第９
図は第３図ａにおけるＣ―Ｃ断面図。第１０図は
上ケース、デイスク、下ケースの組立方法を示す
側面図。第１１図ａ，ｂは本考案における２体シ
ヤツターを、上下ケースに別々に配置した理由を
説明するための図であり、上下ケースの片方に２
体シヤツタを配置した例を示す平面図。第１２図
、第１３図は従来例のデイスクカセツトの外観を
示す斜視図。１……上ケース、２……下ケース、５……開口
部、７……シヤツター、１０……シヤツター押え
、２８……デイスク、３１……シヤツターバネ。 FIG. 1 is an external perspective view of the present invention. FIG. 2 is an exploded perspective view of the upper case, disk, and lower case shown in FIG. 1 separated. FIG. 3a is a plan view of the lower case in FIG. 2, seen from the disk side, showing the shutter closed state. FIG. 3b is a plan view of the upper case in FIG. 2, seen from the disk side, showing the shutter closed state. FIG. 4a is a plan view with the shutter in an open state compared to FIG. 3a. FIG. 4b is a plan view with the shutter in an open state compared to FIG. 3b. FIG. 5 is an exploded perspective view of the lower case shown in FIG. 3 with each component separated. FIG. 6 is a side view of FIG. 1 seen from the F side. FIG. 7 is a sectional view taken along line AA in FIG. FIG. 8 is a sectional view taken along line BB in FIG. 9th
The figure is a sectional view taken along line CC in FIG. 3a. FIG. 10 is a side view showing how to assemble the upper case, disk, and lower case. Figures 11a and 11b are diagrams for explaining the reason why the two-piece shutters of the present invention are arranged separately in the upper and lower cases.
FIG. 3 is a plan view showing an example of arrangement of body shutters. 12 and 13 are perspective views showing the external appearance of a conventional disk cassette. 1... Upper case, 2... Lower case, 5... Opening, 7... Shutter, 10... Shutter holder, 28... Disc, 31... Shutter spring.

Claims

[Scope of utility model registration request]

A cassette housing consisting of a case divided into an upper and a lower part in the thickness direction, and an opening into which a recording or reproducing head is inserted is formed in at least one of the upper and lower cases, and the cassette housing In a disk cassette comprising a disk-shaped recording medium rotatably housed in the body and a shutter movably attached to the cassette housing for opening and closing the opening, the shutter for opening and closing the opening is called an opening. It is divided into two parts near the center and rotated to both sides around the rotation center formed inside the cassette housing.
1. A disk cassette, wherein the shutter is housed inside a cassette casing when the shutter is in an open state.