Driving mechanism for magnetic hard disc

Details Driving mechanism for magnetic hard disc Driving mechanism for magnetic hard disc

1982-11-10

1986-08-05

Wolf, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

310 67R, G11B 1700, G11B 2504

Patent

active

046046658

ABSTRACT:
A driving mechanism for magnetic hard disc memories includes an isolated space for maximum cleanness from the remainder of the apparatus, a driving motor mounted within the apparatus and having a stator and a rotor, the motor when energized having parts producing magnetic flux, a hub extending into the space of maximum cleanness for receiving therein at least one magnetic hard memory disc, a connection between the motor and the hub for driving the hub, and a magnetic flux shield located between the parts producing the magnetic flux and the space of maximum cleanness.

REFERENCES:
patent: 3329845 (1967-07-01), Lear
patent: 3527969 (1970-09-01), Papst
patent: 4034411 (1977-07-01), Kraemer et al.
patent: 4216512 (1980-08-01), Vidwans
patent: 4307425 (1981-12-01), Kaneko et al.
patent: 4337491 (1982-06-01), Hasler et al.
patent: 4363046 (1982-12-01), Saito

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