Pivot bearing cartridge including central pivot element and...

Details Pivot bearing cartridge including central pivot element and... Pivot bearing cartridge including central pivot element and...

2005-02-15

2005-02-15

Castro, Angel A (Department: 2653)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

C384S610000, C310S06700R

Reexamination Certificate

active

06856492

ABSTRACT:
A pivot bearing cartridge for use in a head stack assembly. The pivot bearing cartridge includes a pivot shaft including a shaft body and a shaft distal end. The pivot bearing cartridge further includes a cap disposed about the pivot shaft. The cap includes a cap annular body and a cap closed end. The pivot bearing cartridge further includes a ball bearing set in mechanical communication with the pivot shaft and the cap annular body. The pivot bearing cartridge further includes a central pivot element disposed between and in mechanical communication with the shaft distal end and the cap closed end for facilitating rotation of the cap relative to the pivot shaft.

REFERENCES:
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patent: 6411471 (2002-06-01), Liu et al.
“Jewel Bearings Solve Light Load Problems” Machine Design, Oct. 26, 1989, pp. 111-114.

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