US PATENT SUBCLASS 112 / 72
.~.~.~ Right line and rotary

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}
72.~.~.~ Right line and rotary

DEFINITION

Classification: 112/72

The clamp is bodily rotated to form an end of the buttonhole.