Center of percussion head actuator assembly

Details Center of percussion head actuator assembly Center of percussion head actuator assembly

1986-10-24

1988-06-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

310 36, G11B 2102

Patent

active

047515970

ABSTRACT:
An improved rotary-type read-write head actuator assembly for use in a rotating disc data storage device is provided. The head actuator assembly includes an elongated actuator arm pivotally mounted at one end and having flexible read-write head support arms at the other end. The elongated actuator arm includes a coil internally mounted within an open cavity at the center of percussion of the actuator arm. The portion of the actuator arm supporting the coil moves within a magnetic field to form a voice coil motor to drive the actuator arm.

REFERENCES:
patent: 4150407 (1979-04-01), Dijkstra
patent: 4300176 (1981-11-01), Gilovich et al.
patent: 4476404 (1984-10-01), Bygdnes
patent: 4654735 (1987-03-01), Izraelev et al.
IBM/TDB, vol. 19, No. 4, Sep. 1976, pp. 1437-1438, "Magnetic Shield for Disk File", by Elliot et al.

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