Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1997-10-03
2000-05-30
Letscher, George J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
29 33D, G11B 548, B23P 1100
Patent
active
060697725
ABSTRACT:
An arm assembly movable about a pivot includes means for holding a recording head slider on the arm assembly. The arm assembly includes an actuator arm supported at one end at the pivot, and a load beam connected to an end opposite to the one end of the actuator arm and extending to the slider. The load beam includes a load beam boss hole of a given diameter and the actuator arm includes an actuator arm boss hole. The boss holes are superposed at a connection of the load beam and the actuator arm. The hub includes a fold of material into an outside surface of the hub. The hub extends through the boss holes to maintain the actuator arm and the load beam together. The hub is swaged (expanded) to fix the actuator arm to the load beam such that the fold in the outside surface of the boss grips the actuator arm boss hole. The presence of the fold increases the hub material's ability to achieve a high retention torque in the tension direction by acting as a lever during the swage operation, thrusting the material with greater force into the material of the arm boss hole.
REFERENCES:
patent: 5390058 (1995-02-01), Yamaguchi
patent: 5528092 (1996-06-01), Ohta
Anderson Russ
Braunheim Steve
Hanrahan Kevin
Schmidt Ryan
Intri-Plex Technologies, Inc.
Lamb Owen L.
Letscher George J.
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