Magnetic head loading/unloading mechanism with a ramp having an

Details Magnetic head loading/unloading mechanism with a ramp having an Magnetic head loading/unloading mechanism with a ramp having an

1992-11-30

1995-02-28

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, 360 75, G11B 554, G11B 2122

Patent

active

053942817

ABSTRACT:
A loading/unloading mechanism for loading and unloading a magnetic head mounted on a magnetic disk drive for recording data in a magnetic recording medium. A suspension mechanism exerts a predetermined load on a flying head slider while the disk drive is not operated. A ramp mechanism supports the suspension mechanism and moves the head slider away from the surface of the medium. The whole or part of the ramp mechanism is constituted by an oscillation mechanism having a piezoelectric element. The static frictional force acting on the suspension mechanism and ramp mechanism is replaced with a dynamic frictional force to thereby reduce the friction. This saves power at the beginning of a loading operation and facilitates the control over the movement of the head slider caused by a positioner actuator.

REFERENCES:
patent: 4535374 (1985-08-01), Anderson et al.
patent: 4933785 (1990-06-01), Morehouse et al.
patent: 5027241 (1991-06-01), Hatch et al.
patent: 5079652 (1992-01-01), Ishida et al.
patent: 5103361 (1992-04-01), Nagatsuka et al.
patent: 5148339 (1992-09-01), Yoshida
patent: 5189569 (1993-02-01), Kurosawa
Sugaya, "Magnetic Head Loading/Unloading Device For Magnetic Field Modulation", Abstract No. 3-104069, (1989).
Kajitani, "Magnetic Disk Device", Abstract 3-176805, (1991).

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