US PATENT SUBCLASS 411 / 350
.~.~.~ Securing means rotatable and axially movable, e.g., wear takeup means, etc.

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

337  DF  HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP {12}
347  DF  .~ Headed fastener element with securing means and biasing spring {2}
349  DF  .~.~ Securing means rotatable about fastener element or rotatably engageable by tool-rotatable headed fastener element {3}
350.~.~.~ Securing means rotatable and axially movable, e.g., wear takeup means, etc.

DEFINITION

Classification: 411/350

Securing means rotatable and axially movable, e.g., wear take-up means, etc.:

(under subclass 349) Subject matter wherein the securing means can rotate through one full revolution and further wherein means are provided for moving the securing means along the fastening means axis.