Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Head driving structure
Patent
1996-10-28
1998-03-24
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Head driving structure
411396, 411432, 411910, F16B 2300, F16B 3506, F16B 3708
Patent
active
057305676
ABSTRACT:
A fastener including a body, a shroud rotatably mounted on the body, and a resilient retaining ring located in opposed grooves between the shroud and the body, one end of the body extending outwardly beyond the shroud, and a frustoconical outer surface on the shroud which has its larger side proximate the end of the body which extends beyond the shroud.
REFERENCES:
patent: 1899343 (1933-02-01), Mackey et al
patent: 2823725 (1958-02-01), Trinca
patent: 3978698 (1976-09-01), Ono
patent: 4037515 (1977-07-01), Kesselman
patent: 4302137 (1981-11-01), Hart
patent: 4406140 (1983-09-01), Wolter
patent: 4687392 (1987-08-01), Bidwell
patent: 4690167 (1987-09-01), Skipper
patent: 4726723 (1988-02-01), Bainbridge
patent: 4897008 (1990-01-01), Parks
Haseley Daryl R.
James Brent A.
Diversified Control, Inc.
Gastel Joseph P.
McGard, Inc.
Wilson Neill R.
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