US PATENT SUBCLASS 411 / 191
.~ Structure contacts nut piece side and is fixed to the nut

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

190  DF  HAVING STRUCTURE TO RESTRICT ROTATION OF THREADED, MATING PIECES (E.G., NUT LOCK) {13}
191.~ Structure contacts nut piece side and is fixed to the nut {3}
192  DF  .~.~> And contacts mating piece side {2}
197  DF  .~.~> Structure is coaxial, distinct member (e.g., washer) that restricts nut piece when fixed {3}
202  DF  .~.~> Utilizing a resilient characteristic of the member, or of a discrete element {1}

DEFINITION

Classification: 411/191

Structure contacts nut piece side and is fixed to the nut:

(under subclass 190) Device provided with one or more distinct members which restrict one of the threaded elements from rotating by bearing against or otherwise contacting at least one, more or less flat, radially outwardly facing surface of that threaded element, and which member, or at least one of them, also contacts the other threaded element in such a manner as to restrict it, too, from rotating.