(under subclass 550) Subject matter wherein the unwinding mechanism includes means for monitoring an unwinding condition and issuing an alarm, stop, or corrective signal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
410+, for control of tension in an unwinding or winding device.
534, for a detector or stop combined with a winding device.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
61.13+, for a circuit maker/breaker specially designed for operation by a running web or strand, spool or guide.
250, Radiant Energy, for a detail of a photoelectric device, per se, or in combination with generalized structure, particularly 200+, and 559.01+.
271, Sheet Feeding or Delivering,
226+, and 256+ for alignment and stopping sheet feeding that may be analogous to a corresponding operation in unwinding.
312, Supports: Cabinet Structure, especially
34.13, 34.21 for a particular cabinet structure designed to support a rolled material under the control of means to limit or stop winding or unwinding.
318, Electricity: Motive Power Systems, for a control device for an electrical device including a motor or brake of general use, particularly
6, 7, and 362+.
356, Optics: Measuring and Testing, particularly
238.1+, for a detector or stop combined with optical measuring or inspection.
462, Books, Strips, and Leaves for Manifolding, for controlling strips being joined or separated in a manifolding operation.
