US PATENT SUBCLASS 242 / 563
.~ With detector, indicator, or control


Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

550  DF  UNWINDING {8}
563.~ With detector, indicator, or control {2}
563.1  DF  .~.~> Unwinding path (e.g., material alignment)
563.2  DF  .~.~> Material length


DEFINITION

Classification: 242/563

With detector, indicator, or control:

(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.