US PATENT SUBCLASS 112 / 316
.~.~.~.~ Reversible feed direction

Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
303  DF  .~ Feeding work material {13}
314  DF  .~.~ Having adjustment feature {4}
315  DF  .~.~.~ Stitch length {1}
316.~.~.~.~ Reversible feed direction

DEFINITION

Classification: 112/316

Reversible feed direction:

(under subclass 315) Device including means to reverse the direction of the work material feed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

446+, for a zigzag stitch forming mechanism wherein the needle is shifted back and forth across the line of material feed, which mechanism includes particular structure for sewing a pattern which encloses a portion of the material within boundaries formed by the pattern (e.g., buttonholes).