Tolerance ring having variable height and/or assymmetrically...

Dynamic magnetic information storage or retrieval – Head mounting – For shifting head between tracks

Reexamination Certificate

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Reexamination Certificate

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07580225

ABSTRACT:
A tolerance ring configured to reduce torque ripple for a pivot bearing in an actuator arm assembly. The tolerance ring comprises a cylinder having a predetermined length, and a first and a second row of contacting portions arranged around the surface of the cylinder, the contacting portions of the second row are circumferentially displaced with respect to the first row by a distance greater than zero but less than the distance of the contacting portion and the spacing between adjacent contacting portions in the first row.

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PCT International Search Report and the Written Opinion of the International Searching Authority dated Jan. 5, 2009 for International Application No. PCT/US2007/075824 filed Aug. 13, 2007.

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