US PATENT SUBCLASS 160 / 171
.~.~.~.~ Axially traversed drum or roller

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

130  DF  PLURAL STRIP, SLAT, OR PANEL TYPE {11}
166.1  DF  .~ Venetian blind type {4}
168.1  DF  .~.~ With accumulating means {4}
170  DF  .~.~.~ Drum or roller wound strand {1}
171.~.~.~.~ Axially traversed drum or roller

DEFINITION

Classification: 160/171

(under subclass 170) Devices in which means are provided to cause the drum or roller to have axial motion during the winding or unwinding operation.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

484+, for a traverse device for shifting a drum for distributing convolutions being wound.