US PATENT SUBCLASS 411 / 298
.~.~.~ Ball

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}
296  DF  .~.~ Side clutch {3}
298.~.~.~ Ball

DEFINITION

Classification: 411/298

Ball:

(under subclass 296) Device wherein the locking member is

spherical and cooperates with a cam surface for moving the member into binding engagement with the threads.