Labyrinth seal in disk storage drive

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

1981-12-29

1985-08-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360133, G11B 5012

Patent

active

045353735

ABSTRACT:
A magnetic disc storage driving mechanism is provided comprising a DC brushless driving motor having a stator and a rotor, a contaminant-free space without air intake provision for containing storage disks, bearings mounting the rotor for rotation and for driving a hub which receives at least one rigid storage disk within the contaminant-free space, and labyrinth seals arranged between the drive parts of the motor and the contaminant-free space containing the storage disk.

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), Butsch
patent: 4150406 (1979-04-01), Stollorz
patent: 4185308 (1980-01-01), Fujioka
patent: 4216512 (1980-08-01), Vidwans

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