US PATENT SUBCLASS 242 / 364
UNIDIRECTIONAL WINDING AND UNWINDING

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

364UNIDIRECTIONAL WINDING AND UNWINDING {9}
364.1  DF  .~> Convolute coil
364.11  DF  .~> Partial wrap around plural rotatable supports {2}
364.4  DF  .~> Threading
364.5  DF  .~> Convertible between variable and fixed number of windings on material support
364.6  DF  .~> Variable number of windings on support {3}
365.6  DF  .~> Fixed number of windings on winding surface (e.g., positive feeder) {4}
366.2  DF  .~> Shifting material axially on support
366.3  DF  .~> Distributing material along the support
366.4  DF  .~> Particular drive

DEFINITION

Classification: 242/364

UNIDIRECTIONAL WINDING AND UNWINDING:

(under the class definition) Apparatus or method for winding an indefinite length material onto a support in one rotary direction and simultaneously permitting the material to unwind in the same rotary direction.

(1) Note. The coil may have a single actual axis or a theoretical composite axis formed by a series of pulleys, rollers, or spools.

SEE OR SEARCH THIS CLASS, SUBCLASS:

325+, for unidirectional winding of information-bearing carrier.

364+, for an apparatus for simultaneously winding and unwinding material onto and from a storage support.

602.1+, for a spool with convolution separator that may facilitate unidirectional winding.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length, may include a nominal recitation of a supply or take-up coil (e.g., less than a support for such a coil or a cooperative relationship between a tension or exhaust detector and reel driving or reel stopping means, etc.);

97.2, for fluid current material moving means and means to store a web; subclasses 118.1+ for intermediate storage means between plural material moving means; or subclasses 168+ having orbitally traveling material-engaging surface(s).

254, Implements or Apparatus for Applying Pushing or Pulling Force, particularly

373, for a cable-winding capstan of a winch.