Static eliminator for disc drive spindle

Details Static eliminator for disc drive spindle Static eliminator for disc drive spindle

1990-10-29

1992-08-18

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9808, G11B 3314

Patent

active

051404796

ABSTRACT:
In a magnetic disc drive, an apparatus for eliminating electrical charge. The apparatus includes a preloaded coil compression spring and a contact button nested in a bored hole in the spindle shaft. The contact button is forced against a fixed arm by the coiled compression spring. The compression spring, contact button and fixed arm provide a low noise electrical pathway for discharge of electrical charge from the spindle. Alternatively, the coil spring and contact button are carried by the fixed arm, and the contact button is urges against the center of the end of the spindle shaft.

REFERENCES:
patent: 3855623 (1974-12-01), Chur
patent: 4585963 (1986-04-01), Wilkinson
patent: 4623952 (1986-11-01), Pexton

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