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US 3,938,192 AGranted
Method of manufacturing a spindle assembly for a disc drive
AssigneeInformation Storage Systems, Inc.
InventorRobert H. Caletti
Life of this patent
Estimating the term…
Abstract
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.
Claims3
A method for manufacturing a spindle assembly for use in a disc drive apparatus having a baseplate and utilizing a disc pack having centering surfaces formed by inwardly facing insert members in a central opening in the bottom thereof and having horizontal support surfaces spaced radially outward from the central opening, said method comprising the steps of:
- forming an elongated central drive shaft having first and second ends with the first end being adapted for attachment to a drive means;
- fixing a hardened centering hub to the second end of the drive shaft;
- and
- fixing a hardened support plate to the drive shaft at a position intermediate the centering hub and drive means whereby the hardened centering hub and support plate will contact and support the disc pack.
1 more element
Dependencies are inferred from the claim text.