US PATENT SUBCLASS 242 / 356.7
.~.~.~.~ Radially acting wheel, disk, or belt

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

324  DF  UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13}
349  DF  .~ With particular drive {7}
356  DF  .~.~ Alternately or differently driven coils {4}
356.5  DF  .~.~.~ By friction drive {2}
356.7.~.~.~.~ Radially acting wheel, disk, or belt

DEFINITION

Classification: 242/356.7

Radially acting wheel, disk, or belt:

Subject matter under 356.5 wherein the frictional driving element transfers torque to the driven element by pressure applied in a plane transverse to an axis of rotation of the driving element.