US PATENT SUBCLASS 411 / 301
.~.~ Elastic gripping action

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}
301.~.~ Elastic gripping action {1}
302  DF  .~.~.~> Elastic insert {2}

DEFINITION

Classification: 411/301

Elastic gripping action:

(under subclass 259) Device wherein at least one of the threaded elements or a member (e.g., a washer, sleeve, etc.) in combination therewith is composed wholly or partly of an elastomeric material which frictionally grips one of the threads.

(1) Note. The elastomeric material may comprise a coating of such material on one or more of the threaded surfaces.