US PATENT SUBCLASS 411 / 272
.~.~ Including camming surfaces on the threaded elements or on an additional member

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}
259  DF  .~ Comprising a thread lock {18}
272.~.~ Including camming surfaces on the threaded elements or on an additional member {1}
273  DF  .~.~.~> With a camming member having an eccentrically arranged recess for receiving the internally threaded element

DEFINITION

Classification: 411/272

Including camming surfaces on the threaded elements or on an additional member:

(under subclass 259) Device wherein eccentrically arranged surfaces on either the internally or externally threaded elements or on a washer element cause the mating threads to bind upon relative rotation between the elements.