Actuator arm with a steel sleeve for thermal off track compensat

Details Actuator arm with a steel sleeve for thermal off track compensat Actuator arm with a steel sleeve for thermal off track compensat

1990-11-09

1992-11-03

Severin, David J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

051610779

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.

REFERENCES:
patent: 4717977 (1988-01-01), Brown
patent: 4754353 (1988-06-01), Levy
patent: 4994931 (1991-02-01), Foote

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