US PATENT SUBCLASS 411 / 317
.~.~.~ With a discrete, resilient 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}
315  DF  .~ With a member in the nature of a rotation preventing key movable laterally into engagement with the threaded elements {2}
316  DF  .~.~ And utilizing a resilient characteristic of the key, or of a discrete element {1}
317.~.~.~ With a discrete, resilient element {1}
318  DF  .~.~.~.~> Comprising a spring of the coiled type

DEFINITION

Classification: 411/317

With a discrete, resilient element:

(under subclass 316) Device provided with a distinct element or device of a resilient nature for positioning or retaining the pin, wedge, clip, dog, etc.