Elements especially adapted to cooperate with strand twisting and laying devices to receive the thread in the form of a cop or thread package. These elements include spindles, bobbins, etc., and combinations thereof not elsewhere provided for.
(1) Note. For centrifugal spinning pots, per se, see this class, subclasses 76 and 77.
SEE OR SEARCH THIS CLASS, SUBCLASS:
60, 61 and 66, and indented subclasses, for combinations including receiving elements.
SEE OR SEARCH CLASS
242, Winding, Tensioning, or Guiding, 118 and indented subclasses for spindles and bobbins of general application.
384, Bearings,
227+, for plain bearing structure and 603 for antifriction bearing structure for spinning spindles.