Disc and hub centering device for use in magnetic disc drives

Details Disc and hub centering device for use in magnetic disc drives Disc and hub centering device for use in magnetic disc drives

1987-03-26

1988-08-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360135, G11B 1702

Patent

active

047648287

ABSTRACT:
Each spacer separating adjacent discs in a magnetic disc drive includes an insert having a body portion having a height equal to the height of the spacer and with a plurality of finger portions extending from the body portion less than one-half the thickness of a disc, the finger portions separating a disc from the hub and permitting movement of a disc relative to the hub during temperature cycling. Each insert further includes a plurality of cavities in the body portion in association with the finger portions for accommodating a finger which might be folded during assembly of the discs on the hub.

REFERENCES:
patent: 4315288 (1982-02-01), Bernett et al.
patent: 4683505 (1987-07-01), Schmidt et al.

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