Method of manufacturing an actuator arm with a steel sleeve for

Details Method of manufacturing an actuator arm with a steel sleeve for Method of manufacturing an actuator arm with a steel sleeve for

1994-07-25

1996-09-17

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

29 33C, 29DIG10, 29DIG23, 164 98, G11B 555, B22D 1900, H02K 2326

Patent

active

055574904

ABSTRACT:
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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