US PATENT SUBCLASS 411 / 246
.~.~ By thread-gripping locking 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.~.~ By thread-gripping locking element {5}
247  DF  .~.~.~> Resilient grip {1}
250  DF  .~.~.~> Wire structure {1}
253  DF  .~.~.~> Gripping member includes a tapered section adapted to be axially depressed to cause radial movement of a portion thereof
254  DF  .~.~.~> Gripping member is moved radially into engagement with the threads {1}
256  DF  .~.~.~> Gripping member is moved tangentially into engagement with the threads

DEFINITION

Classification: 411/246

By thread-gripping locking element:

(under subclass 204) Device wherein at least one of the distinct members comprises an element which exerts a tight holding action, usually at circumferentially spaced locations, upon the thread of at least one of the threaded elements.

(1) Note. The thread which is gripped by the member ordinarily is that of the externally threaded element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

222, and see (1) Note thereof for the line between the member of that subclass (222) and the member of this subclass (246).