US PATENT SUBCLASS 411 / 235
.~.~.~.~.~.~ Periphery encompassing means (e.g., a sleeve)

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}
232  DF  .~.~.~.~ Side lock {2}
234  DF  .~.~.~.~.~ By a discrete element {2}
235.~.~.~.~.~.~ Periphery encompassing means (e.g., a sleeve)

DEFINITION

Classification: 411/235

Periphery encompassing means (e.g., a sleeve):

(under subclass 234) Device wherein the side lock comprises an element which surrounds at least a part of each of the internally threaded elements.