US PATENT SUBCLASS 411 / 252
.~.~.~.~.~ Including a free end in nonrotational engagement with the threaded element

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}
204  DF  .~ Structure is coaxial, distinct member (e.g., washer, key, or nut portion) that restricts nut piece {7}
246  DF  .~.~ By thread-gripping locking element {5}
250  DF  .~.~.~ Wire structure {1}
251  DF  .~.~.~.~ Helically coiled wire {1}
252.~.~.~.~.~ Including a free end in nonrotational engagement with the threaded element

DEFINITION

Classification: 411/252

Including a fee end in nonrotational engagement with the threaded element:

(under subclass 251) Device wherein the coiled wire locking member includes an end portion cooperating with means on the internally threaded element to prevent relative rotation between the locking member and said element.