US PATENT SUBCLASS 411 / 285
.~.~.~ Axial distortion


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}
276  DF  .~.~ Having the internally threaded element distorted {2}
285.~.~.~ Axial distortion {4}
286  DF  .~.~.~.~> With discrete means carried by the element for producing the distortion
287  DF  .~.~.~.~> By axially directed impacted areas
288  DF  .~.~.~.~> Of axially spaced threaded sections {1}
290  DF  .~.~.~.~> Including a region displaceable generally axially relative to another part of the element {1}


DEFINITION

Classification: 411/285

Axial distortion:

(under subclass 276) Device wherein the internally threaded element is deformed in a direction generally parallel to its longitudinal axis.