US PATENT SUBCLASS 112 / 71
.~.~.~ With rotatable needle bar

Current as of: June, 1999
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112 /   HD   SEWING

2  DF  SPECIAL MACHINES {38}
65  DF  .~ Buttonhole {5}
70  DF  .~.~ Clamp feeding {7}
71.~.~.~ With rotatable needle bar

DEFINITION

Classification: 112/71

The stitch-forming mechanism is bodily rotated to form an end of the buttonhole.