Driving mechanism for magnetic hard disc memories

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

1981-12-02

1985-05-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

310268, 360 98, G11B 512

Patent

active

045190100

ABSTRACT:
A driving mechanism for magnetic hard disc memories includes an isolated space for maximum cleanness, 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, a magnetic flux shield located between the parts producing the magnetic flux and the space of maximum cleanness, and the rotor being detachably connected to the rotor shaft.

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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