Disk drive assembly

Details Disk drive assembly Disk drive assembly

1985-05-02

1987-08-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360135, G11B 5012, G11B 582

Patent

active

046865926

ABSTRACT:
An improved disk drive device including a disk of recording media and having a central aperture, which disk is supported at its periphery by a cylindrical housing. A spindle motor is positioned at the outer periphery of the housing along with a single set of bearings, also positioned at the other periphery of the housing, to cause rotation of the housing relative to a base. A stepper motor is positioned with its shaft protruding through the center aperture of the disk and directly coupled to read/write heads. The stepper motor shaft is positioned parallel to but offset from the center line of the disk so that rotation of the stepper motor shaft causes the read/write heads to translate along an arc across the surface of the disk. The arc extends from the inner track of the disk to the outer track thereof.

REFERENCES:
patent: 3359549 (1967-12-01), Farrand et al.
patent: 3480964 (1969-11-01), Siler
patent: 3537083 (1970-10-01), Voth
patent: 3599226 (1971-08-01), Lips
patent: 4317150 (1982-02-01), Gruss et al.
patent: 4337491 (1982-06-01), Hasler et al.
IBM/TDB, vol. 17, No. 1, Jun. 1974, p. 322, "Large Bulk Storage Memory" by Orlando.

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