JPS6347445U

JPS6347445U -

Info

Publication number: JPS6347445U
Application number: JP13949486U
Authority: JP
Priority date: 1986-09-11
Filing date: 1986-09-11
Publication date: 1988-03-31

Description

[Brief explanation of the drawing]

第１図乃至第６図は本考案の一実施例を示すも
ので、第１図はフロツピーデイスクの非セツト状
態で示す要部の平面図、第２図はフロツピーデイ
スクのセツト状態における第１図―線に沿う
縦断側面図、第３図乃至第６図は係合ピンが偏心
孔に係合するまでの過程を順に示す図である。ま
た、第７図及び第８図は従来のデイスク駆動装置
を示す夫々第１図及び第２図相当図、第９図乃至
第１１図は同係合ピンが偏心孔に係合する途中過
程を順に示す図である。図中、１１は回転軸、１２はデイスク受け、１
３は受け台（磁性体）、１８はレバー、２３は係
合部材、２４は永久磁石、２５はフロツピーデイ
スク（デイスク）、２６はハブ、２７は中心孔、
２８は偏心孔である。 1 to 6 show an embodiment of the present invention. FIG. 1 is a plan view of the main parts of the floppy disk when it is not set, and FIG. 2 is a plan view of the main parts when the floppy disk is set. FIG. 1 is a vertical sectional side view taken along the line, and FIGS. 3 to 6 are views sequentially showing the process until the engagement pin engages with the eccentric hole. Furthermore, FIGS. 7 and 8 are views corresponding to FIGS. 1 and 2, respectively, showing a conventional disk drive device, and FIGS. 9 to 11 show the process during which the engagement pin engages with the eccentric hole. It is a figure shown in order. In the figure, 11 is a rotating shaft, 12 is a disk holder, 1
3 is a cradle (magnetic material), 18 is a lever, 23 is an engaging member, 24 is a permanent magnet, 25 is a floppy disk (disk), 26 is a hub, 27 is a center hole,
28 is an eccentric hole.

Claims

[Scope of utility model registration request]

The disk is set in a disk holder attached to a rotating shaft so that the center hole of the disk is inserted into the rotating shaft, and the disk is driven to rotate. A lever to which a mating member is attached is pivotally supported on the disk receiver so as to be rotatable in the radial direction and in a direction in which the engaging member is inserted into and removed from the eccentric hole, and one of the disk receiver and the lever. and the other, a permanent magnet and a magnetic body are provided in opposing states with a gap, and the lever is rotated in the direction in which the engaging member is inserted into the eccentric hole by the magnetic force between the permanent magnet and the magnetic body. What is claimed is: 1. A disk drive device configured to rotate and urge an engaging member to press an inner surface of an eccentric hole toward either the radially outer side or the radially inner side.