US PATENT SUBCLASS 411 / 262
.~.~ Including a coil spring

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}
262.~.~ Including a coil spring

DEFINITION

Classification: 411/262

Including a coil spring:

(under subclass 259) Device wherein the rotation restricting means includes a helically wound resilient wire which grips the threads on one or both of the threaded elements.