JPS63130974U

JPS63130974U -

Info

Publication number: JPS63130974U
Application number: JP2117687U
Authority: JP
Priority date: 1987-02-16
Filing date: 1987-02-16
Publication date: 1988-08-26

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示した磁気デイス
クカートリツジの正面図、第２図は第１図のＡ部
拡大図、第３図はその磁気デイスクカートリツジ
の要部を示す拡大正面図、第４図は第３図の―
線拡大断面図、第５図は従来の磁気デイスクカ
ートリツジを示す正面図、第６図はその溝部付近
を示す拡大正面図、第７図は第６図の―線断
面図、第８図は第６図の―線拡大断面図であ
る。１……磁気デイスクカートリツジ、２……ジヤ
ケツト、３……デイスク、５……ヘツド挿入窓、
６……溝、６ａ，６ｅ……ブリツジ部、７……ハ
ブ、８……シヤツタ、８ａ，８ｂ……爪、１０…
…バネ、ｋａ，ｋｂ，ｋｃ，ｋｄ……片持ち支持
部。 Fig. 1 is a front view of a magnetic disk cartridge showing an embodiment of the present invention, Fig. 2 is an enlarged view of part A in Fig. 1, and Fig. 3 is an enlarged front view showing the main parts of the magnetic disk cartridge. Figure 4 is the same as Figure 3.
5 is a front view showing a conventional magnetic disk cartridge, FIG. 6 is an enlarged front view showing the vicinity of the groove, FIG. 7 is a sectional view taken along the line -- in FIG. 6, and FIG. FIG. 6 is an enlarged sectional view taken along the line - in FIG. 6; 1... Magnetic disk cartridge, 2... Jacket, 3... Disk, 5... Head insertion window,
6...Groove, 6a, 6e...Bridge portion, 7...Hub, 8...Shutter, 8a, 8b...Claw, 10...
...Spring, ka, kb, kc, kd...cantilever support part.

Claims

[Scope of utility model registration request]

It has a head insertion window formed at a position away from the center hole and a guide groove formed along the side near the head insertion window, and a flexible groove is formed between the guide groove and the side. A jacket having a thin bridge portion, and a claw that is fitted to sandwich the jacket from the side along the guide groove and protrudes inwardly is engaged with the guide groove of the jacket. A U-shaped shutter that covers the head insertion window from both sides of the jacket, a spring member that biases the shutter toward the closing side, and a drive shaft that is housed in the jacket and inserted from the center hole of the jacket. What is claimed is: 1. A disk cartridge comprising a disk on which information to be rotated is recorded, characterized in that the bridge portion is cut to provide cantilever support.