Pivot support structure for magnetic head assembly

Details Pivot support structure for magnetic head assembly Pivot support structure for magnetic head assembly

1988-06-20

1989-05-16

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9701, G11B 554, G11B 2122

Patent

active

048314790

ABSTRACT:
A magnetic head assembly comprises a carriage on which a first magnetic head is mounted for performing read/write with respect to one face of a disk, a second magnetic head also mounted on the carriage opposite to the first magnetic head for performing read/write with respect to the other face of the disk, and a hold case coupled turnably via a leaf hinge spring to the carriage, wherein the first magnetic head is attached via a gimbal spring to the carriage, and the second magnetic head is secured to the hold case, and is characterized in that the carriage has a support portion abutting directly on the hold case inclusive of the leaf hinge spring to support the same, so that the hold case is supported turnably with the support portion serving as a supporting point, whereby the reference plane of the hold case is defined by the support portion, so that accuracy can be ensured for the reference plane of the second magnetic head with respect to the disk and an enhancement of the follow-up performance can contribute to an improvement of the read/write characteristic.

REFERENCES:
patent: 4247877 (1981-01-01), Keller et al.
patent: 4306260 (1981-12-01), Maeda et al.
patent: 4630155 (1986-12-01), Hasegawa et al.
patent: 4633352 (1986-12-01), Mizoguchi et al.
patent: 4647998 (1987-03-01), Onohara et al.
patent: 4651243 (1987-03-01), Daste et al.
patent: 4651245 (1987-03-01), Karno
patent: 4704646 (1987-11-01), Okita
Reiderbach, "Combination Suspension-Lead Cable for a Multi-Gap Read Write Head", IBM TDB, vol. 22, No. 4, Sep. 79, pp. 1602-1603.

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