(under subclass 550) Subject matter wherein the support station for a supply coil includes with a mechanism to drive either: (a) the supply coil, or (b) material advancing means associated with the coil, to cause material to be unwound.
(1) Note. The drive mechanism may include either a motor or manually actuated device that is a part of the unwinding machine and that acts directly on the coil or feeds the material extending from the coil, however, the drive mechanism does not include unwinding due solely to a pulling action on the web by (a) hand, (b) a separate, ancillary machine, or (c) random movement of the supply with a free end of the material anchored.
SEE OR SEARCH THIS CLASS, SUBCLASS:
249+, for a particular drive for a fishing reel.
349+, for a particular drive for winding and unwinding an information-bearing carrier.
390.2+, for a particular motor drive for rotating a reeling device in the unwinding direction.
420+, for a supply coil drive control for regulating tension.
540+, for a particular drive in a winding machine. SEE OR SEARCH CLASS
74, Machine Element or Mechanism, for a transmission detail of general use.
312, Supports: Cabinet Structure,
34.11, 34.17 for a special cabinet particularly designed for rolled material adapted to be unwound in a controlled manner.