Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Multipart
Patent
1996-08-05
1998-04-07
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Multipart
411178, 411432, F16B 3502, F16B 3708
Patent
active
057356572
ABSTRACT:
An orbital threaded fastener assembly includes an orbital nut or bolt and a split thread ring. Each of the nut or bolt and the thread ring has formed thereon a series of alternating, coaxial, circumferential grooves and teeth sized to mateably engage each other. These grooves and teeth can be formed on either the internal surface of the nut and the external surface of the ring or the external surface of the bolt and the internal surface of the ring. In use, the diameter of the ring is resiliently expanded or contracted to permit it to be disposed at a desired axial position along the nut or bolt to engage each other, thereby preventing relative axial movement of the parts while accomodating relative rotational movement thereof. The surface of the ring opposite that carrying the grooves and teeth is threaded to permit threaded coupling to an associated threaded component. The nut or bolt may also be threaded on the surface opposite the one which engages the ring to permit threaded coupling to another component.
REFERENCES:
patent: 4655479 (1987-04-01), Farr, Jr.
patent: 4971497 (1990-11-01), Stoffer et al.
patent: 4975014 (1990-12-01), Rufin et al.
patent: 5066180 (1991-11-01), Lang et al.
patent: 5090857 (1992-02-01), Dunn
Amkus, Inc.
Wilson Neill R.
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