US PATENT SUBCLASS 112 / 154
STITCH FORMING

Current as of: June, 1999
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154STITCH FORMING {17}
155  DF  .~> Multiple machines
156  DF  .~> Knot tying
157  DF  .~> Zigzag {3}
162  DF  .~> Overseaming
163  DF  .~> Multiple needle {3}
168  DF  .~> Convertible
169  DF  .~> Hand implements
170  DF  .~> Short thread {2}
173  DF  .~> Running stitch {2}
176  DF  .~> Blind stitch {2}
179  DF  .~> False hemstitch
180  DF  .~> Bobbin ejector
181  DF  .~> Revolving-hook type {3}
185  DF  .~> Shuttle type {7}
197  DF  .~> Chain or double chain {5}
303  DF  .~> Feeding work material {13}
217  DF  .~> Seam finishing

DEFINITION

Classification: 112/154

(under the class definition) Devices having mechanisms which cooperate to form stitches in work material.

(1) Note. Lock-stitch machines, including the revolving-hook type and the shuttle type, are those in which a mass of threads is passed bodily through a loop of needle-thread. In chain stitch machines, one loop is inserted through another loop without passing the mass of thread supply therethrough.

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