US PATENT SUBCLASS 411 / 195
.~.~.~ Other element is a bolt, and member includes opening configured to engage side flat thereon

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}
191  DF  .~ Structure contacts nut piece side and is fixed to the nut {3}
192  DF  .~.~ And contacts mating piece side {2}
195.~.~.~ Other element is a bolt, and member includes opening configured to engage side flat thereon {1}
196  DF  .~.~.~.~> And further includes spaced, axially extending legs for engaging side flats on the nut

DEFINITION

Classification: 411/195

Other element is a bolt, and member includes opening configured to engage side flat thereon:

(under subclass 192) Device wherein the other threaded element is the externally threaded one, and wherein at least one of the distinct members includes an aperture which is adapted by its configuration (e.g., a square hole) to contact

one or more of the more or less flat, radially outwardly facing surfaces provided on the other threaded element.