Sperry Corporation

Information Storage Systems, Inc.

Robert H Caletti

Patrick J Champagne

This invention is a device to reduce the wobble of a rotating shaft disposed in a cavity of a housing which wobble results from a spurious or undesirable positioning of a bearing assembly in which the shaft rotates. The present device includes a bearing follower which is shaped to have a long side which is in abutment with the side walls of the cavity. Accordingly, the follower cannot be readily placed in a cocked or misaligned position. The follower is spring loaded against the bearing assembly which is subject to being cocked and thereby reduces the capability of that bearing assembly to be misaligned.

Spindle bearing follower

This invention relates to a method of manufacturing a spindle assembly for a disc drive comprising a drive shaft with a centering hub and support plate which interfit in a manner to support and center a disc pack on the disc drive.

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Menlo Park, CA, United States of America

Robert H Caletti