Magnetic parking device for disk drive

Details Magnetic parking device for disk drive Magnetic parking device for disk drive

1991-01-22

1992-12-08

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9701, G11B 554

Patent

active

051703009

ABSTRACT:
A magnetic parking device for a disk drive includes a magnet and a member for containing the magnetic field produced by the magnet. The magnetic field containing member has an air gap which is substantially parallel to the magnet flux lines of the magnetic field so that there is no fringing of the magnetic field outside of the gap. The device magnetically captures a magnetically permeable capture member provided on the actuator of a disk drive without contacting the capture member and only when the actuator enters the gap in the magnetic field containing member.

REFERENCES:
patent: 4635151 (1987-01-01), Hazebrouck
patent: 4639863 (1987-01-01), Harrison et al.
patent: 4660120 (1987-04-01), Manzke et al.
patent: 4710834 (1987-12-01), Brand et al.
patent: 4853807 (1989-08-01), Trager
patent: 4890176 (1989-12-01), Casey et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 4, Sep. 1976, Actuator Retraction Device, Hearn.

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