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) (315) with a member in the nature of a rotation preventing key movable laterally into engagement with the threaded elements (316) and utilizing a resilient characteristic of the key, or of a discrete element (317) with a discrete, resilient element
Hierarchy/Derived subclasses
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Patent Apps in 411/317
Granted Patents in 411/317
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(411/317.ccls. or 411/318.ccls.)
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