US PATENT SUBCLASS 242 / 365.5
.~.~.~ Adjustable drum surface (e.g., variable diameter)

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

364  DF  UNIDIRECTIONAL WINDING AND UNWINDING {9}
364.6  DF  .~ Variable number of windings on support {3}
365.3  DF  .~.~ Stationary winding surface (e.g., with flyer) {2}
365.5.~.~.~ Adjustable drum surface (e.g., variable diameter)

DEFINITION

Classification: 242/365.5

Adjustable drum surface (e.g., variable diameter):

(under subclass 365.3) Subject matter in which the shape or size of the material contacting portion of the support may be changed so that the support may have different shapes during operation.

(1) Note. The capability of changing the shape or size of the support during operation is not required.

SEE OR SEARCH THIS CLASS, SUBCLASS:

366.1, for a variable diameter winding drum in a unidirectional winding and unwinding device in which the number of windings on the drum is fixed during operation.