US PATENT SUBCLASS 112 / 451
.~.~.~ Backstitch


Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
157  DF  .~ Zigzag {3}
443  DF  .~.~ Vibrating needle {9}
451.~.~.~ Backstitch


DEFINITION

Classification: 112/451

Backstitch:

(under subclass 443) Device wherein means are provided to produce a stitch at the beginning or at the end of a discrete set of stitches (e.g., a pattern), the stitch specifically functioning to prevent unravelling of the pattern; the stitch is selectable separately from the pattern.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317, for stitch forming mechanisms having means for feeding the work material in a reverse direction so as to produce backstitching.