US PATENT SUBCLASS 242 / 613.1
.~.~.~ Irregularly shaped (e.g., tapered)

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}
600  DF  .~ Spool or core {12}
613  DF  .~.~ Particular hub or core formation {2}
613.1.~.~.~ Irregularly shaped (e.g., tapered) {1}
613.2  DF  .~.~.~.~> Cross sectionally {1}

DEFINITION

Classification: 242/613.1

Irregularly shaped (e.g., tapered):

(under subclass 613) Subject matter wherein the hub includes a winding surface with significant variation from the surface of a right cylinder, which variation may occur in a direction parallel or transverse to the winding axis.

(1) Note. Irregularities to space convolutions of material or provide multiple winding surfaces are collected earlier.

SEE OR SEARCH CLASS

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

374, for an irregularly shaped cable drum of a hoist or winch.