Labyrinth seal in disk storage drive

Details Labyrinth seal in disk storage drive Labyrinth seal in disk storage drive

1988-06-15

1990-05-01

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9807, 360 9908, 360133, G11B 5012

Patent

active

049224069

ABSTRACT:
A disk storage has one or more disks provided with center holes. An electric motor extends coaxially through these holes and has an external rotor to the outer circumference of which the disks are secured so that they rotate with the rotor. A seal is provided for at least reducing the escape of contaminants from the motor.

REFERENCES:
patent: 3840761 (1974-10-01), Muller
patent: 3873897 (1975-03-01), Muller
patent: 4005490 (1977-01-01), Duncan et al.
patent: 4054931 (1977-10-01), Bolton et al.
patent: 4101945 (1978-07-01), Botsch
patent: 4150406 (1979-04-01), Stollarz
patent: 4185308 (1980-01-01), Fujioka
patent: 4216512 (1980-08-01), Vidwans

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