JPS62133262U

JPS62133262U -

Info

Publication number: JPS62133262U
Application number: JP1751886U
Authority: JP
Priority date: 1986-02-12
Filing date: 1986-02-12
Publication date: 1987-08-22

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例の一部断面斜視図
、第２図は同じく動作を説明するための模式図、
第３図は従来の磁気ヘツド駆動装置の一部断面斜
視図である。４……ピポツト軸、６……アクチユエータアー
ム、８……磁気ヘツド、２１……ロータマグネツ
ト、２２……ステータコイル、２３……磁心。な
お、各図中、同一符号は同一又は相当部分を示す
。 FIG. 1 is a partially sectional perspective view of an embodiment of this invention, and FIG. 2 is a schematic diagram for explaining the operation.
FIG. 3 is a partially sectional perspective view of a conventional magnetic head drive device. 4...Pivot shaft, 6...Actuator arm, 8...Magnetic head, 21...Rotor magnet, 22...Stator coil, 23...Magnetic core. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims

[Claims for Utility Model Registration] (1) In a magnetic head drive device that uses closed-loop servo control for moving and positioning the magnetic head,
A stator consisting of a stator coil that generates two poles is wound around an arc-shaped magnetic core, a rotor magnet arranged on the inner circumferential side of this stator and forming N and S in the circumferential direction, and this rotor magnet. The actuator arm is coupled to one end and swings about a pivot shaft provided at the center of the arc of the magnetic core, and the magnetic head is attached to the other end of the actuator arm. magnetic head drive device. (2) The magnetic head drive device according to claim 1, wherein heat dissipation fins are provided on the outer circumferential side of the stator.