US PATENT SUBCLASS 112 / 254
.~ Tensioning

Current as of: June, 1999
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112 /   HD   SEWING

270  DF  ELEMENTS {21}
254.~ Tensioning {1}
255  DF  .~.~> Intermittent

DEFINITION

Classification: 112/254

Regulate the feeding of thread.

SEE OR SEARCH THIS CLASS, SUBCLASS:

59, and 97.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length,

195+, for devices adapted to place tension on material of indeterminate length.

242, Winding, Tensioning, or Guiding,

416+, and 147+ for a tensioning device with winding, unwinding, or in general use.