411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
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81 | DF | THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL) {13} |
132 | DF | .~ Lock washer-type member located between substructure and bolt head or nut {8} |
136 | DF | .~.~ Member comprises looplike element (e.g., washer) interlocked with additional element, one of them engaging substructure or surface in other than planar, face-to-face contact {3} |
138 | | .~.~.~ Pawl element, movably carried by looplike element, coacts with ratchet on surface |