JPS6056975U

JPS6056975U - disk cartridge

Info

Publication number: JPS6056975U
Application number: JP15019183U
Authority: JP
Inventors: 信弘梅林; 浩史丸山
Original assignee: 日立マクセル株式会社
Priority date: 1983-09-27
Filing date: 1983-09-27
Publication date: 1985-04-20

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案に係るディスクカートリッジの全体斜視
図、第２図はディスクハブの底面図、第３図は第１図に
おける■−■線断面図である。第４図は本考案に係るデ
ィスクカートリッジのディスクハブの別実施例を示す断
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、６・・・ディスクシート、７・・・ディ
スクハブ、７ａ・・・プラスチック製ハブ構成体、７ｂ
・・・板状金属製ハブ構成体、１０・１６・・・スピン
ドル孔、１４・・・かしめ用ピン、１４ａ・・・カシメ
頭部、１８・・・ガイド凹溝、１９・・・ピン孔、２２
・・・スピンドル、２３・・・偏心駆動ピン。FIG. 1 is an overall perspective view of a disk cartridge according to the present invention, FIG. 2 is a bottom view of a disk hub, and FIG. 3 is a cross-sectional view taken along the line ■--■ in FIG. 1. FIG. 4 is a sectional view showing another embodiment of the disk hub of the disk cartridge according to the present invention. 1... Disc case, 2... Disc, 3...
Drive shaft insertion window, 6... Disc seat, 7... Disc hub, 7a... Plastic hub structure, 7b
Plate metal hub structure, 10, 16, spindle hole, 14, caulking pin, 14a, caulking head, 18, guide groove, 19, pin hole , 22
... Spindle, 23... Eccentric drive pin.

Claims

[Scope of utility model registration request]

A disk 2 is placed in a disk case 1 having a drive shaft insertion window 3.
In a disk cartridge, the disk 2 is rotatably housed, and the disk 2 is composed of a disc-shaped disk seat 6 and a disk hub 7 fixed to the center of the disk seat 6 and facing the drive shaft insertion window 3. A plastic hub structure in which the hub 7 clamps and fixes the central part of the disk seat 6 between the plate-shaped metal hub structure 7b and the joint surface thereof;
7a, and the plastic hub structure 7a has a caulking pin 14 on the joint surface with the plate-shaped metal hub structure 7b.
are integrally formed to protrude at the same number of circumferential locations around the outer circumference of the spindle hole 10, and the plate metal knob structure 7b has a disk on the outer surface end surface opposite to the joint surface with the plastic hub structure 7a. An annular guide groove 18 is formed around the outside of the spindle hole 10 into which the eccentric drive pin 23 that rotates together with the rotating shaft 22 on the drive side can be inserted, and the number of circumferential directions in the guide groove 18 is Pin hole 19 in place
By inserting the crimping pin 14 into the pin hole 19 and crimping, both the hub components 7a and 7b are joined together, and at least one crimping pin 14 in the guide groove 18 is A disk cartridge characterized in that the eccentric drive pin 23 is brought into contact with and secured to the caulking head 14a.