US PATENT SUBCLASS 112 / 475.02
.~ Material sensing

Current as of: June, 1999
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112 /   HD   SEWING

475.01  DF  METHOD OF SEWING {5}
475.02.~ Material sensing {1}
475.03  DF  .~.~> Workpiece edge guiding

DEFINITION

Classification: 112/475.02

Material sensing:

(under subclass 475.01) Method including the step of sensing the position of the workpiece relative to the sewing needle

SEE OR SEARCH THIS CLASS, SUBCLASS:

130, for an apparatus which severs part of the work upon completion of a sewing operation.

470.03, for a programmed sewing apparatus in which the feed pitch of the work advancing means is adjusted in response to detection of an edge of the work.