Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2009-05-21
2010-06-29
Kim, Paul D (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S603040, C029S603070, C029S729000, C360S244200, C360S244500, C360S245200, C360S265700, C360S265900
Reexamination Certificate
active
07743486
ABSTRACT:
A method for assembling a head stack assembly with a disk drive base utilizing a tooling mandrel is described. The head stack assembly includes a pivot bearing cartridge with a shaft and a sleeve. The shaft includes a shaft first end with an engagement feature. The shaft defines an axis of rotation and a shaft outer circumferential surface. The sleeve defines a sleeve inner circumferential surface disposed towards the shaft outer circumferential surface. The tooling mandrel includes a retainer element defining a longitudinal axis and including a distal end. The distal end engages the engagement feature. The tooling mandrel includes tooling fingers angularly fixed to the retainer element with respect to the longitudinal axis. The tooling fingers each include a tip portion. Each tip portion engages the pivot bearing cartridge through cooperative radial movement with respect to the axis of rotation with the distal end engaged with the engagement feature.
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Jose Joselito S.
Klassen Andrew S.
Kim Paul D
Western Digital Technologies Inc.
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