Disc spacer with interior groove

Details Disc spacer with interior groove Disc spacer with interior groove

1995-06-07

1997-02-04

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9905, G11B 1708

Patent

active

056005121

ABSTRACT:
A spacer supports a disc on a hub in a disc drive. The hub is rotatable about an axis of rotation. The spacer includes a member having an inner radial surface defining a hub receiving aperture for receiving an exterior surface of the hub. The inner radial surface has a generally annular groove extending from the inner radial surface generally radially outwardly from the hub.

REFERENCES:
patent: 3587073 (1971-06-01), Ghose et al.
patent: 4408320 (1983-10-01), Buzgo
patent: 4807304 (1986-08-01), DeMoss et al.
patent: 4819105 (1989-04-01), Edwards
patent: 4945432 (1990-07-01), Matsuidara et al.
patent: 5006942 (1991-04-01), Brooks et al.

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