| 摘要 |
The present invention is an apparatus and method for an improved actuator arm assembly in a disc drive. The improvement arises by casting a steel sleeve into the actuator arm to define a pivot bore. A steel bearing and shaft assembly cooperates with the pivot bore to enable the actuator arm to rotate about the shaft. This all steel arrangement minimizes the bearing preload necessary to create a stable actuator arm assembly having a minimum amount of friction in the bearing system.
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