Shock isolation bearings and travel limit gaps in a spindle...

Details Shock isolation bearings and travel limit gaps in a spindle... Shock isolation bearings and travel limit gaps in a spindle...

2005-11-01

2005-11-01

Castro, Angel (Department: 2653)

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Reexamination Certificate

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06961212

ABSTRACT:
Disclosed herein are disk drive spindle motors and disk drives using same that include one of more structures that function as travel limit stops that are designed to transfer the load created by a shock impulse to non-essential mechanical features and bypass the bearing structures, thereby keeping the load imposed thereon by the shock impulse below damaging levels. The spindle motor may also include one or more compliant members between the bearing structures and facing surfaces. Such compliant members may be combined with pre-load keepers that preload the bearings by axially compressing the compliant members.

REFERENCES:
patent: 5485331 (1996-01-01), Dunfield et al.
patent: 5844748 (1998-12-01), Dunfield et al.
patent: 6246137 (2001-06-01), Obara
patent: 6445535 (2002-09-01), Rehm
patent: 6563243 (2003-05-01), Obara et al.
patent: 6671125 (2003-12-01), Sumi
patent: 2002/0191332 (2002-12-01), Elsing

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