(under subclass 420.5) Subject matter wherein the energy regulating network is adjusted by a detector responsive to the degree of sag or stress in the elongated material being unwound from the supply coil.
SEE OR SEARCH THIS CLASS, SUBCLASS:
413.3+, for a slack sensor used in regulating a take-up coil drive.
418.1, for a slack sensor used in regulating the drag created by a material feeder.
419.1, for a slack sensor used in regulating the drag developed by a guide.
420.3, for a slack sensor used in regulating a peripheral drive for a supply roll.
421.5, for a slack sensor used in regulating a supply coil brake.
SEE OR SEARCH CLASS 254, Implements or Apparatus for Applying Pushing or Pulling Force, particularly
272+, for a cable-deflected control for regulating winding in a winch or hoist.
