Magnetic disk drive with dust cleaning function

Details Magnetic disk drive with dust cleaning function Magnetic disk drive with dust cleaning function

1994-12-05

1996-05-28

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9703, G11B 3314

Patent

active

055217761

ABSTRACT:
A magnetic disk drive with a dust cleaning function according to the present invention, in a sealed case having a cover member and a base member, includes a magnetic head positioner which has a shaft anchored at one side into the base member, an arm holder rotatably supported around the shaft by bearings and carrying a plurality of magnetic heads, and an air filter anchored at the side of the arm holder near the free end of the shaft, for filtering dust which is generated by the rotation of the bearings. Another magnetic disk drive with a dust cleaning function includes a magnetic head positioner which has a shaft rotatably supported by bearings held to the base member, an arm holder anchored to the shaft, furnished with an airhole at its side near the free end of the shaft, and carrying a plurality of magnetic heads, and an air filter anchored so as to cover the airhole of the arm holder, for filtering dust which is generated by the rotation of the bearings. Still another magnetic disk drive with a dust cleaning function is provided with a projection having a slanted side on either or both the cover and base members, near and opposing the arm holder on which the air filter is anchored, for directing the air flow generated with the high speed rotation of the magnetic disks.

REFERENCES:
patent: Re34497 (1994-01-01), Blanks
patent: 4249221 (1981-02-01), Cox et al.
patent: 5150267 (1992-09-01), Reinisch
IBM Technical Disclosure Bulletin, vol. 33 No. 5, Oct. 1990, pp. 318, 319.

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