Helical band drive for disc storage apparatus

Details Helical band drive for disc storage apparatus Helical band drive for disc storage apparatus

1986-05-29

1987-03-31

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

74 892, G11B 555, G11B 2108

Patent

active

046547363

ABSTRACT:
A disc drive includes a stepper drive motor for moving a carriage to any desired position relative to a disc. The drive motor rotates a shaft coupled to the carriage through parallel bands which are helically wound on the motor drive shaft. One band is wound on the shaft while the other is unwound. Thus the drive shaft can rotate through 360.degree. or more.

REFERENCES:
patent: 3367195 (1968-02-01), Racine
patent: 4456937 (1984-06-01), Iftikar et al.
IBM/TDB, vol. 19, No. 7, Dec. 1976, pp. 2675-2677, "Dual-Band Access Mechanism" by Fournier.
IBM/TDB, vol. 21, No. 4, Sep. 1978, pp. 1598-1599, "Magnetic Head Band Access Mechanism" by Bailey et al.

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