US PATENT SUBCLASS 411 / 226
.~.~.~.~.~ Received in axially extending passages or recesses

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}
222  DF  .~.~ Internally threaded locking member (e.g., jam nut) {1}
223  DF  .~.~.~ Including means associated with at least one of the nuts for restricting rotation therebetween {11}
224  DF  .~.~.~.~ Key received in part in each of the nuts {2}
226.~.~.~.~.~ Received in axially extending passages or recesses

DEFINITION

Classification: 411/226

Received in axially extending passages or recesses:

(under subclass 224) Device wherein one portion of the member occupies at least a portion of a groove, hole, slot, etc., which generally parallels the longitudinal axis of one of the internally threaded elements, and another portion of the member occupies a similar formation in the other element.