JPS591187U

JPS591187U - magnetic disk device

Info

Publication number: JPS591187U
Application number: JP9509082U
Authority: JP
Inventors: 牧野　秀夫
Original assignee: 日本電気株式会社
Priority date: 1982-06-24
Filing date: 1982-06-24
Publication date: 1984-01-06

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 the drawing]

第１図は本考案の一実施例を示す側断面図、第２図は第
１図に示すＡ−Ａ’−矢視図である。１・・・スピンドルシャフト、２・・・上部軸受、３・
・・下部軸受、４・・・ハウジング、５・・・スピンド
ルハブ、６・・・フランジ面、７・・・クランプリング
、８・・・カバー、９・・・スペーサリング、１０・・
・磁気ディスク群、１１・・・プーリ、１２・・・ベル
ト、１３・・・ディスクエンクロージャ、１４・・・循
環フィルタ、１５・・・磁気へ゛シト、１６・・・呼吸
フィルター、１７・・一呼吸穴、１８・・・磁気回路、
１９・・・ラビリンス構造、２０・・・フィン状突起、
２１・・・ベースプレート、２２・・・スピンドル、２
３・・・キャリッジ、２４・・・フランジ面下部、Ａ・
・・回転方向。FIG. 1 is a side sectional view showing an embodiment of the present invention, and FIG. 2 is a view taken along the line AA' shown in FIG. 1...Spindle shaft, 2...Upper bearing, 3...
...Lower bearing, 4...Housing, 5...Spindle hub, 6...Flange surface, 7...Clamp ring, 8...Cover, 9...Spacer ring, 10...
・Magnetic disk group, 11...Pulley, 12...Belt, 13...Disk enclosure, 14...Circulation filter, 15...Magnetic disk, 16...Respiration filter, 17...1 Breathing hole, 18...magnetic circuit,
19... Labyrinth structure, 20... Fin-like projection,
21...Base plate, 22...Spindle, 2
3... Carriage, 24... Lower flange surface, A.
··Direction of rotation.

Claims

[Scope of utility model registration request]

A housing fixed to a base plate, a spindle rotation mechanism that is supported by the housing via a bearing and rotates, and a labyrinth structure and a periphery provided between the housing and the spindle rotation mechanism that is close to the fixed spindle rotation mechanism. a spind hub having a flange portion; a group of magnetic disks mounted on the flange portion for storing information;
a magnetic head for recording and reproducing the information; a disk enclosure for accommodating the magnetic disk group and the magnetic head in cooperation with the housing; and a disk enclosure provided on the flange facing the housing. A magnetic disk device comprising: a fin-like protrusion.