| 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} |
| 276 | DF | .~.~ Having the internally threaded element distorted {2} |
| 285 | | .~.~.~ Axial distortion {4} |
| 286 | DF | .~.~.~.~> With discrete means carried by the element for producing the distortion |
| 287 | DF | .~.~.~.~> By axially directed impacted areas |
| 288 | DF | .~.~.~.~> Of axially spaced threaded sections {1} |
| 290 | DF | .~.~.~.~> Including a region displaceable generally axially relative to another part of the element {1} |