JPH0435275U

JPH0435275U -

Info

Publication number: JPH0435275U
Application number: JP7560190U
Authority: JP
Priority date: 1990-07-18
Filing date: 1990-07-18
Publication date: 1992-03-24

Description

[Brief explanation of the drawing]

第１図Ａ・Ｂは本考案の実施例のケースの分離
状態で内面を示す平面図、第２図はその一部の分
離状態の斜視図、第３図は一部の拡大縦断面図、
第４図は組立分離状態の斜視図である。１……スピンドル挿入孔、２……デイスクハブ
、３……デイスク状媒体、４……カートリツジケ
ース、４_１……上ケース、４_２……下ケース、５
……ホツトメルト樹脂、５_１……環状ボス、５_２……ボス、５_３……凹部。 1A and 1B are plan views showing the inner surface of the case of the embodiment of the present invention in a separated state, FIG. 2 is a perspective view of a part of the case in a separated state, and FIG. 3 is an enlarged vertical cross-sectional view of a part;
FIG. 4 is a perspective view of the assembled and separated state. DESCRIPTION OF SYMBOLS 1...Spindle insertion hole, 2...Disc hub, 3...Disk-shaped medium, 4...Cartridge case, 4 ₁ ...Upper case, 4 ₂ ...Lower case, 5
... Hot melt resin, 5 ₁ ... Annular boss, 5 ₂ ...Boss, 5 ₃ ...Concavity.

Claims

[Scope of utility model registration request]

In the disk cartridge, a disk-shaped medium is rotatably housed in a case consisting of an upper case and a lower case, and a head or a pickup is inserted through a window formed in the case to perform recording and reproduction on the disk-shaped medium. A disk cartridge characterized in that a polyester hot-melt resin is interposed between the joint surfaces of an upper case and a lower case or a joint surface between a disk and a hub, and these are adhesively bonded by ultrasonic fusion.