Description: 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener / 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener/(81) threaded fastener locked to a discreet structure (e.g., plate, rail, wheel) (132) member or portion thereof located between substructure and inwardly facing surface of bolt head or nut (147) member comprises washer formed as closed loop or apertured plate or as split ring (155) apertured plate having arched sectional configuration (e.g., concavo convex)
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Patent Apps in 411/155
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