Description: 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener / 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener/(190) having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) (204) structure is coaxial, distinct member (e.g., washer, key, or nut portion) that restricts nut piece (209) member includes key, screw, tongue, etc. perpendicular to threads (212) including plastically deformable portion (213) comprising an elongated element divided longitudinally (e.g., a cotter pin)
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Patent Apps in 411/213
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