JPS5974575U

JPS5974575U - disk cartridge

Info

Publication number: JPS5974575U
Application number: JP16826782U
Authority: JP
Inventors: 良武加藤
Original assignee: 日立マクセル株式会社
Priority date: 1982-11-07
Filing date: 1982-11-07
Publication date: 1984-05-21
Also published as: JPH0320946Y2

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 drawings]

第１図は本考案に係るディスクカートリッジの斜視図、
第２図はその中央縦断正面図である。第３図ないし第６
図は本考案の構成部材のひとつであるハブの下側ハブ構
成体を例示しており、第３図は平面図、第４図は底面図
、第５図は第３図におけるＡ−Ａ線断面図、第６図は第
３図におけるＢ−Ｂ線断面図そある。第７図ないし第１
０図は本考案の構成部材のひとつであるハブの上側ハブ
構成体を例示しており、第７図は平面図、第８図は底面
図、第９図は第７図にお−けるＣ−Ｃ線断面図、第１０
図は第７図におけるＤ−Ｄ線断面図である。第１１図は
上下のハブ構成体を上方から見た斜視図、第１２図は上
下のハブ構成体結合した状態での上方からの斜視図であ
る。第１３図は上下のハブ構成体を下方から見た斜視図
、第１４図は上下のハブ構成体結合した状態での下方か
らの斜視図である。第１５図はハブの平面図、第１６図
はハブの底面図、第１７図は第１５図におけるＥ−Ｅ線
断面図、第１８図は第１５図におけるＦ−Ｆ線断面図で
ある。１・・・・・・ディスクケース、２・・・・・・ディス
ク、３・・・・・・駆動軸挿入窓、４・・・・・・磁気
ヘッド挿入窓、９・・・・・・シート、１０・・・・・
・ハブ、１２・・・・・・上側ハブ構成体、１３・・・
・・・下側ハブ構成体、１４・・・支軸挿入孔、１５・
・・・・・ガイド溝、１６・・・・・・係合部、１９・
・・・・・支　軸、２０・・・・・・駆動軸、２３．２
４・・・・・・シート挾着面、３０・・・・・・張り出
し壁、３１・・・・・・支軸挿入孔の　・周壁部分、３
２・・・・・・外接面、３３・・・・・・肉逃げ用空　
　　　′間、３６・・・・・・片持ちアーム、３７・曲
・可動部材、４０・・・・・・部分ボス、４１・・・・
・・第１構成壁、４２・・・・・・第２構成壁、４８・
・・・・・スリット、Ｐ□＋　Ｐ２・・・・・・固定外
接点、Ｐ３・・・・・・可動外接点。第５図２５３７ａ３、−−ｘｌＪ′ｌａ３５１３２３１　５１　５０１５FIG. 1 is a perspective view of a disk cartridge according to the present invention;
FIG. 2 is a central longitudinal sectional front view thereof. Figures 3 to 6
The figures illustrate the lower hub structure of the hub, which is one of the constituent members of the present invention, and Fig. 3 is a plan view, Fig. 4 is a bottom view, and Fig. 5 is taken along line A-A in Fig. 3. The sectional view, FIG. 6, is a sectional view taken along the line B--B in FIG. 3. Figures 7 to 1
Figure 0 illustrates the upper hub structure of the hub, which is one of the constituent members of the present invention, Figure 7 is a plan view, Figure 8 is a bottom view, and Figure 9 shows the C-shaped structure in Figure 7. -C line sectional view, 10th
The figure is a sectional view taken along the line DD in FIG. 7. FIG. 11 is a perspective view of the upper and lower hub structures seen from above, and FIG. 12 is a perspective view of the upper and lower hub structures in a coupled state. FIG. 13 is a perspective view of the upper and lower hub structures as seen from below, and FIG. 14 is a perspective view of the upper and lower hub structures in a coupled state. 15 is a plan view of the hub, FIG. 16 is a bottom view of the hub, FIG. 17 is a cross-sectional view taken along the line E--E in FIG. 15, and FIG. 18 is a cross-sectional view taken along the line F--F in FIG. 15. 1... Disk case, 2... Disk, 3... Drive shaft insertion window, 4... Magnetic head insertion window, 9... Sheet, 10...
・Hub, 12... Upper hub component, 13...
...Lower hub structure, 14... Support shaft insertion hole, 15.
...Guide groove, 16...Engagement part, 19.
... Support shaft, 20 ... Drive shaft, 23.2
4... Seat clamping surface, 30... Overhanging wall, 31... Peripheral wall portion of spindle insertion hole, 3
2... Circumscribed surface, 33... Empty for meat relief
', 36...cantilever arm, 37, curved/movable member, 40...partial boss, 41...
...First constituent wall, 42...Second constituent wall, 48.
...Slit, P□+ P2...Fixed external contact, P3...Movable external contact. Fig. 5 2537a3, --xl J'la 351 3231 51 5015

Claims

[Scope of utility model registration request]

A disk 2 is rotatably housed in a disk case 1, and the disk 2 has a disk-shaped seat 9 and a plastic hub 10 that is integrally connected to the center of the sheet 9 and faces the drive shaft insertion window 3 of the disk case 1. A spindle insertion hole 1 into which a disk drive side spindle 19 is inserted into the center of the hub 10.
4, the circumferential wall portion 31 of the spindle insertion hole 14, which has a circumferential surface 32, 32 that contacts the spindle 19 at two points P1 and P2, has a wall that exists on the outside in the radial direction. A disk cartridge characterized in that the wall thickness is adjusted in an escape space 33.