Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Structure is coaxial – distinct member that restricts nut piece
Patent
1993-10-27
1995-02-21
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Structure is coaxial, distinct member that restricts nut piece
411198, 411226, 411244, F16B 3904, F16B 3910, F16B 3912
Patent
active
053910320
ABSTRACT:
A reusable positive locking device having a nut threaded onto a bolt shank to a certain closure position wherein a locking element is screwed onto the bolt shank against the nut and a crown element cupped over the end of the bolt shank is screwed onto the bolt shank to engage the locking element and is then given an additional increment of turning so as to elastically deform biasing means between the crown element and its threaded engagement with the bolt shank, thus closing up play among the bolt shank and the locking element and the crown and the nut, the threaded connections between the locking element and the bolt shank and between the the crown element and the bolt shank being of a different direction, and the locking and crown elements being held together against relative rotation by releasable detent means.
REFERENCES:
patent: 1241181 (1917-09-01), Wilhelm
patent: 1376624 (1921-05-01), Ivory
patent: 4037980 (1977-07-01), Haentjens
patent: 4493597 (1985-01-01), Rolf
Brown Charles J.
Wilson Neill R.
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