Disk storage device having a labyrinth seal

Details Disk storage device having a labyrinth seal Disk storage device having a labyrinth seal

1998-04-16

1999-08-31

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9807, 360 9808, G11B 5012

Patent

active

059461616

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 labyrinth seal is provided for at least reducing the escape of contaminants from the motor.

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"Plastic Rigid Seal to Trap Airborne Submicron Particles", V.J. Trotter, Jr., IBM Technical Disclosure Bulletin, vol. 19 No. 4, Sep. 1976.
"Fixed-Head Disk Memory Unit for High Reliability Applications", Isozaki et al., NEC Research & Development, No. 44 Jan. 1977 at pp. 57-67.

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