Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Fastener – or coaxial adjunct therefor – having sidewardly...
Patent
1988-03-07
1990-03-06
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Fastener, or coaxial adjunct therefor, having sidewardly...
411120, 411985, 411432, F16B 3910
Patent
active
049061500
ABSTRACT:
Locking fastener comprising a threaded part such as a bolt or nut and a lock plate which fits over the bolt or nut and is prevented from rotation by engagement with a stationary object such as a protrusion on the part to be secured. The lock plate has an opening with a contour which mates with the outer contour of the threaded part to prevent rotation of the threaded part, and the plate is retained on the threaded part by a retainer received in a detent opening or groove formed in the threaded part. In some embodiments, the retainer is a separate part which is free to rotate in the groove. In other embodiments, the retainer comprises a detent lug carried by the lock plate.
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