(under the class definition) Device including means for moving material and with means for braking or slowing the material movement.
(1) Note. This subclass is the locus of patents claiming means at one location for moving material plus means at a second location for retarding such movement, whereby a pull is effected on such material between said locations. This subclass is not the locus of patents disclosing a "dancer" roll [i.e., a roll for tautening that slack, (i.e., tendency toward looseness) occurring in material suspended between two spaced material-supports]; for such a "dancer", see subclasses 27+ (and specifically subclass 44), 21, and 168+ (specifically subclasses 190+). The word "tensioner" has acquired a variety of meanings in all of the arts relating to advancing of indeterminate-length* material. Patents disclosing a means (often termed "tensioner") for retarding the advance of material moving to a work station may be found in the classes and subclasses referred to in Lines With Other Classes and Within This Class, Relationship to Classes Which Include Subcombinations Utilizable in Advancing Indeterminate Length* Material, in which classes "tensioner" may also mean a "dancer" as used herein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
21, 27+, 44, and 168+, and see (1) Note above.
SEE OR SEARCH CLASS
28, Textiles: Manufacturing,
240+, and see the notes thereto, for other method and apparatus for stretching (which may be accomplished by the same instrumentality that accomplished tensioning). 66, Textiles: Knitting,
146, for feeding and tensioning apparatus in a knitting machine.
112, Sewing,
254+, for a tensioning device in a sewing machine.
225, Severing by Tearing or Breaking, appropriate subclasses, particularly
51+, 73+, and 82+ for similar apparatus combined with a tearing edge.
242, Winding, Tensioning, or Guiding,
410+, and 147+ for tensioning means for elongated material.
