JP2621780B2 - Transducer support device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transducer support device for a rotary storage device, and more particularly to a transducer capable of improving the reliability of reading and writing information and reducing the size of the rotary storage device. -Supporting device.

[0002]

2. Description of the Related Art To reduce the thickness of a rotary storage device, as disclosed in Japanese Patent Application Laid-Open No. Sho 59-221872, an arc supporting a magnetic transducer constituting a transducer support device is disclosed. By fixing the fixed side of the system to the surface of the access mechanism opposite to the surface of the magnetic disk, the size between the multilayered magnetic disks is reduced, and the size of the magnetic disks in the stacking direction is reduced.

[0003]

In the above-mentioned prior art, the arm supporting the magnetic transducer extending from the access mechanism in the direction of the magnetic disk approaches the surface of the magnetic disk toward the magnetic disk. Are located in For this reason, when the magnetic transducer and the arm supporting the magnetic transducer are moved toward the magnetic disk by the access mechanism, the movement causes the air flow to impinge on the surface of the arm and cause the arm to hit the arm. Inertial force acts. Due to the reaction force, the above-described arm moves in the surface direction of the magnetic disk, so that the magnetic transducer comes into contact with the recording surface of the magnetic disk, and there is a problem that the reliability of reading and writing information is significantly reduced. .

An object of the present invention is to provide a transducer supporting device capable of improving the reliability of reading and writing of information and reducing the size of a rotary storage device.

[0005] To achieve the above object, the present invention provides:
A rigid arm portion connected to the access mechanism, an elastic portion in contact next to the rigid arm portion, continuous with the elastic portion, and a rigid structural support and a load beam portion to provide a load at the free end of the tip side, wherein A transducer support device comprising: a flexible structure support attached to a free end of a rigid structure support; and a transducer attached to the flexible structure support and reading and writing information from and to a magnetic disk. Is provided in the access mechanism such that its free end is located farther from the magnetic disk than the fixed position on the access mechanism side.

[0006]

The rigid support constituting the transducer support device is provided in the access mechanism such that its free end is located farther from the magnetic disk than the fixed position on the access mechanism side. When the magnetic transducer and the arm supporting the magnetic transducer are moved in the direction of the magnetic disk, the movement causes the airflow to collide with the surface of the arm on the magnetic disk side. Move in a direction away from the surface of the magnetic disk. As a result, contact between the magnetic transducer and the recording surface of the magnetic disk is prevented, reliability of reading and writing of information can be improved, and the size of the magnetic disk can be reduced by the above-described arm arrangement. can do.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show an embodiment of a transducer supporting apparatus according to the present invention. In these figures, reference numeral 1 denotes a magnetic disk, and 2 denotes reading and writing of information on a recording surface of a magnetic disk 1. The magnetic transducer 3 is a slider on which the magnetic transducer 2 is mounted, and the slider 3 is a magnetic disk 1
The magnetic transducer 2 flies above the recording surface of the magnetic disk 1 by an air flow generated by the rotation of the magnetic disk 1, thereby ensuring a floating amount of the magnetic transducer 2 with respect to the recording surface of the magnetic disk 1. 4 is a guide arm connected to the access mechanism.

Reference numeral 5 denotes a rigid structure support.
Is, for example, an elastic portion 6 made of a single piece of stainless steel plate,
A load beam 8 connected to the elastic portion 6 and provided with a flange 7 as a load beam bending portion.

The rigid structure support 5 is integrally formed by, for example, press working. An end of the rigid structure support 5 on the elastic portion 6 side is guided by a guide arm 4 by a screw 9 or welding.
Is fixed to the surface facing the magnetic disk 1 at the position.

A flexible structure support 10 is fixedly attached to the distal end of the load beam 8 of the rigid structure support 5, that is, the free end side, by welding or the like.

The structure of the flexible support 10 will be described with reference to FIG. The flexible structure support 10 includes a rigid structure support 5
To be joined to each other by spot welding 17 (see FIG. 2)
) , Two flexible finger portions 12 extending from the joint portion 11 toward the distal end of the load beam 8 of the rigid structure support 5, and two step portions formed at the extended distal end of the flexible finger portion 12. 13
And a horizontal frame 14 connecting the steps 13, and a horizontal frame 14
Mounting part 15 extending from the head to the joint part 11
And the load projection 1 formed on the slider mounting portion 15.
6.

The load projection 16 transmits a load from the free end of the rigid structure support 5 to the slider mounting portion 15. The slider 3 is attached to the slider attachment portion 15 with an adhesive as shown in FIG.

When the rigid structure support 5 described above is mounted on the magnetic disk 1 of a rotary storage device, the free end of the flexible structure support 10 side of the magnetic disk 1 is located at a position higher than its fixed side. It is installed away from the recording surface. further,
More specifically, as shown in FIG. 1, the rigid structure support 5 described above is mounted such that its free end rises to the right at an angle θ with respect to the recording surface of the magnetic disk 1 or the flying surface of the slider 3. Have been.

When the rigid structure supports 5 are mounted between the stacked magnetic disks 1, the rigid structure supports 5 are free on the flexible structure support 10 side as described above. The magnetic disk 1 is mounted on a plane perpendicular to the recording surface of the magnetic disk 1 with its end farther from the recording surface of the magnetic disk 1 than its fixed side position.

Next, the operation of one embodiment of the above-described transducer supporting apparatus of the present invention will be described.

The rigid support 5 constituting the transducer support apparatus of the present invention has a free end on the flexible support 10 side farther from the recording surface of the magnetic disk 1 than its fixed side. When the rigid support 5 constituting the transducer support device moves toward, for example, the center of the magnetic disk 1 by the guide arm 4 connected to the access mechanism, Due to the movement, the airflow collides with the surface of the rigid structure support 5, particularly the surface of the load beam 8 which faces the recording surface of the magnetic disk 1, and an inertial force is generated in the rigid structure support 5.

As a result, the free end of the rigid structure support 5 is displaced away from the recording surface of the magnetic disk 1 with the fixed portion of the rigid structure support 5 on the guide arm 4 side as a fulcrum. Due to the displacement of the free side end of the rigid structure support 5, the slider 3 mounted on the free side end via the flexible structure support 10 and the magnetic transducer 2 mounted thereon move the recording surface of the magnetic disk 1. , And the magnetic transducer 2 can be prevented from contacting the recording surface of the magnetic disk 1. As a result, the reliability of reading and writing information from and to the magnetic disk 1 can be improved.

Further, according to the present invention, the free end of the Tsuyoshi構Zo支 bearing member 5 as a fulcrum fixed portion of the guide arm 4 side of the rigid structural support 5, away from the recording surface of the magnetic disk 1 , And can be mounted between the magnetic disks 1 so that the magnetic disk spacing employed in high-density magnetic disk devices can be incorporated within the range of about 5 to 7 mm. As a result, the size of the magnetic disk in the stacking direction is reduced, and the entire device can be downsized.

The transducer support device of the present invention can be applied to a rotary storage device of a type in which the access mechanism moves linearly and a type in which the access mechanism rotates.

[0021]

As described above, according to the present invention, the rigid structure support having the slider 3 and the magnetic transducer 2 mounted thereon mounted on the free side end via the flexible structure support 10 is provided. body 5 because its free end is So設to the access mechanism away from the recording surface of the magnetic disk 1, by the movement of the magnetic transducer according to access mechanism, Tsuyoshi構Zo支 bearing member 5
Particularly airflow impinges on the recording surface of the magnetic disk 1 of the load beam 8, also inertial force acts on Tsuyoshi構granulated support 5,
The free end of the rigid structure support 5 provided with the magnetic transducer 2 is displaced away from the recording surface of the magnetic disk 1. Thereby, contact of the magnetic transducer 2 with the recording surface of the magnetic disk 1 can be prevented, and the reliability of reading / writing information from / to the magnetic disk 1 can be improved.

Further, according to the present invention, the arrangement of the rigid structure supports 5 can reduce the interval between the stacked magnetic disks 1 and reduce the size of the entire apparatus.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a transducer supporting device according to the present invention.

FIG. 2 is an enlarged front view showing a flexible structure supporting portion constituting one embodiment of the transducer supporting device of the present invention shown in FIG. 1;

FIG. 3 is a plan view showing a flexible-structure support portion constituting one embodiment of the transducer support device of the present invention shown in FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Magnetic disk, 2 ... Magnetic transducer, 3 ... Slider, 4
... guide arm, 5 ... rigid structure support, 6 ... elastic part, 7 ...
Flange, 8: Load beam, 9: Screw, 10: Flexible structure support, 11: Joint, 12: Flexible finger, 13: Step,
14 ... horizontal frame, 15 ... slider mounting part, 16 ... load projection.

Continuing from the front page (72) Inventor Tsubasa Saito 2880 Kozu, Kozuhara, Odawara-shi, Kanagawa Prefecture Inside the Odawara Plant, Hitachi, Ltd. Inventor Komori Magoshi 2880 Kozu, Odawara City, Kanagawa Prefecture Inside the Odawara Plant, Hitachi, Ltd. (72) Inventor Hiroyasu Nakajima 2880 Kozu, Kozuhara, Odawara City, Kanagawa Prefecture Inside the Hitachi Odawara Plant, Ltd. 2880 Kokuzu, Odawara-shi, Pref.Hitachi, Ltd.Odawara Plant in Hitachi, Ltd. (72) Inventor Kazunori Hori 2880, Kokutsu, Odawara-shi, Kanagawa, Japan Co., Ltd.

Claims (2)

(57) [Claims] 1. A and a rigid arm portion connected to the access mechanism, and the rigid arm portion adjacent contact with the elastic portion, continuous with the elastic portion, rigid structure and a load beam portion to provide a load at the free end of the distal A transducer support device comprising a support, a flexible structure support attached to a free end of the rigid structure support, and a transducer attached to the flexible structure support and reading and writing information from and to a magnetic disk. A transducer support device, wherein the rigid structure support is provided in the access mechanism such that a free end thereof is located farther from the magnetic disk than a fixed position on the access mechanism side. 2. The transducer support device according to claim 1, wherein the rigid structure support has a fixed side fixed to a surface of the access mechanism facing the surface of the magnetic disk.