US PATENT SUBCLASS 242 / 118.4
.~ Double-headed spool

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

118  DF  BOBBIN OR SPOOL {5}
118.4.~ Double-headed spool {4}
118.41  DF  .~.~> Plural spools axially connected
118.5  DF  .~.~> Head(s) adjustable along axis
118.6  DF  .~.~> Head connections (e.g., bolted) {1}
118.7  DF  .~.~> Spool material feature {1}

DEFINITION

Classification: 242/118.4

(under subclass 118) Winding cores including two flanges or rims, one such flange at each end of the tube.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118.3+, for single-headed tubes.