G - Physics – 11 – B
Patent
G - Physics
11
B
352/29.11
G11B 5/60 (2006.01) G11B 5/52 (2006.01) G11B 5/53 (2006.01) G11B 15/61 (2006.01) G11B 21/04 (2006.01)
Patent
CA 1048149
ROTATING HEAD APPARATUS HAVING A PROTRUDING DIAMETER HEADWHEEL WHICH SUPPORTS A PROTRUDING FLYING HEAD Abstract of the Disclosure A rotating head magnetic tape recording apparatus wherein a helical wrap of magnetic recording tape is formed about a cylindrical mandrel and the headwheel. The headwheel is of a larger radius than the mandrel; thus the headwheel protrudes or penetrates beyond the adjacent mandrel surfaces. This headwheel penetration operates to (1) compensate for mandrel misalignment, if any, and (2) stress the tape in the localized track coincident with the headwheel's path. A magnetic head is mounted on the headwheel to protrude or penetrate radially outward therefrom. The head includes a surface profile causing the head to fly relative to the tape's recording surface, i.e., a thin air film surrounds the head. The combination of the protruding headwheel and the protruding head produces a stable recording platform at the tape/head interface. The headwheel produces localized tape stress coincident with the headwheel's path. The head produces a moving tent of additional localized tape stress at the tape/head interface.
227641
Baumann Gerald W.
Fraser Harvey R. (jr.)
Hauke Francis E.
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