US PATENT SUBCLASS 242 / 345.2
.~.~.~.~ Spring pressed coil or spool

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}
335  DF  .~ Cartridge system (i.e., cartridge work station or cartridge) {7}
341  DF  .~.~ Coil-to-coil cartridge {6}
345  DF  .~.~.~ With particular coil support {3}
345.2.~.~.~.~ Spring pressed coil or spool

DEFINITION

Classification: 242/345.2

Spring pressed coil or spool:

(under subclass 345) Subject matter wherein the mounting structure includes resilient means active in at least one mode to restrain free movement of a coil or convolution of a coil, typically to reduce or distribute drag in a rotating coil or prevent unwanted upward convolution migration.