JPS6161681U

JPS6161681U -

Info

Publication number: JPS6161681U
Application number: JP14652784U
Authority: JP
Priority date: 1984-09-27
Filing date: 1984-09-27
Publication date: 1986-04-25

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案に係るデイスクカ
ートリツジの実施例を示しており、第１図は要部
の縦断面図、第２図は内部構造を示す全体の平面
図、第３図は第２図における−線断面図、第
４図は要部の平面図である。第５図は従来例の要
部の縦断面図である。１……デイスクケース、１ａ……上ケース、１
ｂ……下ケース、２……セントラルウインド、３
……ヘツドウインド、４……デイスク、７ａ，７
ｂ……ライナ、１０……押圧面、１１……平坦面
。 1 to 4 show an embodiment of the disk cartridge according to the present invention, in which FIG. 1 is a vertical cross-sectional view of the main parts, FIG. 2 is a plan view of the entire structure showing the internal structure, and FIG. 2 is a sectional view taken along the - line in FIG. 2, and FIG. 4 is a plan view of the main part. FIG. 5 is a vertical sectional view of the main part of the conventional example. 1...Disk case, 1a...Upper case, 1
b...Lower case, 2...Central window, 3
... Head window, 4... Disc, 7a, 7
b... Liner, 10... Pressing surface, 11... Flat surface.

Claims

[Scope of utility model registration request]

In a disk cartridge cartridge in which a disk 4 is rotatably built into a disk case 1, and liners 7a and 7b that contact the disk surface are laid on the upper and lower inner surfaces of the disk case 1, respectively, one of the upper and lower sides of the disk case 1 is The inner surface is formed as a flat surface 11 over the entire surface of the disk rotation area, and a liner 7b is laid on the flat surface 11. On the other upper and lower inner surfaces of the disk case 1, a liner 7b is formed to press against a part of the disk rotation area. The liner 7a is laid with a protruding surface 10 covering the pressing surface 10, and the liner 7a, 7
A disk cartridge characterized in that the disk 4 is pressed against the flat surface 11 via the disk 4.