US PATENT SUBCLASS 112 / 181
.~ Revolving-hook type


Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
181.~ Revolving-hook type {3}
182  DF  .~.~> Timing
183  DF  .~.~> Reciprocating bobbin
184  DF  .~.~> Vertical axis


DEFINITION

Classification: 112/181

A hook member draws out the needle-loop without passing bodily therethrough, the under-thread carrier or bobbin being passed bodily through the loop either by the movement of the loop or the carrier.

SEE OR SEARCH THIS CLASS, SUBCLASS:

467, for a zigzag stitch forming mechanism wherein the needle is shifted back and forth across the line of material feed which mechanism includes specified means for working the thread on the side of the material opposite the side from which the needle penetrates the material.