US PATENT SUBCLASS 242 / 577.4
.~.~.~ Linearly shiftable winding surface

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

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
571  DF  .~ Radially expansible or contractile {8}
577  DF  .~.~ Individually adjustable segment or spoke {4}
577.4.~.~.~ Linearly shiftable winding surface

DEFINITION

Classification: 242/577.4

Linearly shiftable winding surface:

(under subclass 577) Subject matter wherein the plural portions are spaced apart and formed as elongated outwardly projecting devices for collectively supporting coiled material an appreciable distance from the winding axis, at least one of the portions having a coil bearing section shiftably mounted along a substantially straight path to vary a circumferential dimension of the support structure.