US PATENT SUBCLASS 112 / 459
.~.~.~ Having cam actuation of needle or material feed

Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
157  DF  .~ Zigzag {3}
443  DF  .~.~ Vibrating needle {9}
459.~.~.~ Having cam actuation of needle or material feed {4}
460  DF  .~.~.~.~> Including detachable cam
461  DF  .~.~.~.~> And specified material feed {2}
464  DF  .~.~.~.~> Including fine adjustment of stitch width
465  DF  .~.~.~.~> Including plural, selectively used cams {1}

DEFINITION

Classification: 112/459

Having cam actuation of needle or material feed:

(under subclass 443) Device including a first element and a slave element which move relative to one another wherein the

first element has an irregular or eccentric surface over which a portion of the slave element is caused to slide, and wherein needle movement or material transport is controlled by the resultant movement of the slave element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

448+, for zigzag stitch forming mechanisms having cam actuation of the needle or material feed which are applied to closed pattern sewing (e.g., buttonholes).

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

567+, for cam elements.