US PATENT SUBCLASS 242 / 327.4
.~.~.~.~ Cooperating pulley pair

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}
325  DF  .~ Endless coiled carrier (i.e., closed loop) {5}
327  DF  .~.~ Particular coil support {3}
327.3  DF  .~.~.~ Multiple pulleys or hub rollers {1}
327.4.~.~.~.~ Cooperating pulley pair

DEFINITION

Classification: 242/327.4

Cooperating pulley pair:

(under subclass 327.3) Subject matter wherein two rotatable wheels or pulleys form a coil support.