Magnetic head actuator with improved support

Details Magnetic head actuator with improved support Magnetic head actuator with improved support

1992-09-08

1994-11-15

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, G11B 5588

Patent

active

053653904

ABSTRACT:
A magnetic head actuator for displacing magnetic heads in a VTR or the like for the purpose of a tracking action includes a magnetic member arranged to form a magnetic path having an air gap, a coil bobbin disposed within the air gap, and an elastic support member arranged to carry the coil bobbin in such a manner that the coil bobbin is displaceable within the air gap. The elastic support member has a projection formed at a part where the elastic support member is secured to the coil bobbin. At least one magnetic head is secured to a fore end of the projection. A through hole is arranged in the middle part of the projection to allow a part of a yoke constituting the magnetic member to pierce through the through hole.

REFERENCES:
patent: 4389680 (1983-06-01), Gramling
patent: 4446497 (1984-05-01), Hirayama
patent: 4476404 (1984-10-01), Bygdnes
patent: 4672489 (1987-06-01), Wada et al.
patent: 4930030 (1990-05-01), Yabu et al.
patent: 4985794 (1991-01-01), Kato et al.
patent: 5134252 (1992-07-01), Himeno et al.
patent: 5223992 (1993-06-01), Mitsuhashi

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