US PATENT SUBCLASS 112 / 313
.~.~.~ Having adjustment feature
Current as of:
June, 1999
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112 /
HD
SEWING
154
DF
STITCH FORMING
{17}
303
DF
.~ Feeding work material {13}
312
DF
.~.~ Plural differential feed means {1}
313
.~.~.~ Having adjustment feature
DEFINITION
Classification: 112/313
Having adjustment feature:
(under subclass 312) Device having means to adjust the relative speed of movement between the two work engaging mechanisms.