Magnetic head drum assembly

Details Magnetic head drum assembly Magnetic head drum assembly

1997-03-20

1999-09-07

Letscher, George J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, G11B 552, G11B 2118

Patent

active

059496207

ABSTRACT:
Featured is a magnetic drum assembly including a rotary drum supporting a magnetic head for recording/reproducing information on a magnetic tape and a stationary drum secured to a base of a magnetic recording/reproducing device. In one aspect of the invention, the stationary drum is molded from a resin material together with a metal material partially embedded and partially exposed and being secured at the exposed part of the metal to the base of the magnetic recording/ reproducing device. In another aspect of the invention, the rotary drum is molded from a resin material together with a metal material partially embedded and partially exposed and the magnetic head is secured at the exposed part of the metal of the rotary drum. Such a drum assembly is advantageous in that it is capable of maintaining an initial accuracy of its sizes and shape without deterioration in its mechanical properties over time due to creep deformation and internal stress.

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