JPS61202156U

JPS61202156U -

Info

Publication number: JPS61202156U
Application number: JP8557985U
Authority: JP
Priority date: 1985-06-06
Filing date: 1985-06-06
Publication date: 1986-12-18

Description

[Brief explanation of the drawing]

第１図ないし第４図はこの考案の一実施例を説
明するための図であつて、第１図はこの考案によ
る振動防止装置を備えたデイスク再生装置の要部
の縦断面図、第２図は同平面図、第３図はヨーク
板の平面図、第４図は第３図―線視断面図、
第５図、第６図はいずれも従来のデイスクモータ
軸への側圧付与手段を示す説明図である。２１……デイスク、２９……デイスクモータ軸
、３０……ターンテーブル、４２……磁性体（磁
性板）、４３……ヨーク板、５１……磁石。 1 to 4 are diagrams for explaining one embodiment of this invention, in which FIG. 1 is a vertical cross-sectional view of the main part of a disc playback device equipped with a vibration prevention device according to this invention, and FIG. The figure is a plan view of the same, Figure 3 is a plan view of the yoke plate, Figure 4 is a sectional view taken from Figure 3,
5 and 6 are explanatory diagrams showing conventional means for applying lateral pressure to a disk motor shaft. 21... Disc, 29... Disk motor shaft, 30... Turntable, 42... Magnetic body (magnetic plate), 43... Yoke plate, 51... Magnet.

Claims

[Claims for Utility Model Registration] (1) A device that applies lateral pressure in the radial direction to a disk motor shaft connected to a turntable on which a disk is placed, which applies magnetic means to the turntable or disk motor shaft. A device for applying lateral pressure in the radial direction of a disc motor shaft, characterized in that it applies a force in the radial direction of the disc motor shaft. (2) The magnetic means fixes either a magnetic body or a magnet to the bottom surface of the turntable, and arranges the other of the magnetic body or magnet below the turntable so as to face the one above. The disk motor shaft according to claim 1 of the utility model registration is characterized in that a yoke plate is fixed to the magnet side and a part of the yoke plate is positioned on the side of the magnetic body. Radial side pressure applying device. (3) The magnetic means is configured such that a magnet is fixed to the lower surface of the turntable, another magnet is arranged below the turntable to face the magnet, and the magnets are attracted to each other, and The disk motor according to claim 1 of the utility model registration claim, characterized in that a yoke plate is fixed to at least one of each magnet, and a part of this yoke plate is located on the side of the other magnet. A device that applies side pressure in the radial direction of the shaft.