Magnetic head positioning mechanism for magnetic disk device

Details Magnetic head positioning mechanism for magnetic disk device Magnetic head positioning mechanism for magnetic disk device

1988-10-28

1990-07-10

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

049410628

ABSTRACT:
A magnetic head positioning mechanism for a magnetic disk device having a pivot mechanism which comprises a pivot shaft supported by a housing at least having two opposite plates, a carriage which is swingably supported by the pivot shaft, head-arms which are fixed to the carriage on base ends thereof and are attached magnetic heads at tip ends thereof, and a driving portion which is connected to the carriage at the opposite side of the head-arms; the carriage, which is positioned at the rotational center of the pivot mechanism, is composed of materials having higher specific gravity than the head-arms; the center of gravity of the pivot mechanism is very close to the pivot shaft as the rotational center, therefore the stable driving control is effected even when the magnetic device is arranged such that the head-arms pivot on a horizontal axis.

REFERENCES:
patent: 4346416 (1982-08-01), Riggle
patent: 4805055 (1989-02-01), Wright

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