Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Comprising a thread lock
Patent
1998-10-06
1999-12-28
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Comprising a thread lock
411270, 411400, 411433, F16B 3708, F16B 3936
Patent
active
060072849
ABSTRACT:
A nut for slidable application to a bolt has a nut body with a first end, a second end, and a through hole. The nut body has an outer wall formed in the and an inner wall defining the through hole including at least a portion thereof being an inclined wall hole having a diameter decreasing from a first diameter to a second diameter proximate the second end. A stop flange extends radially inward into the through hole at the first end of the nut body and defines a bolt exit aperture. Three guideposts are formed coaxially on the inner wall of the inclined wall hole. Three nut segments have inclined outer surfaces complementing an inclination angle of the inner wall of the inclined wall hole and inner surfaces with threads. The three nut segments are movably disposed between the guideposts so as to permit sliding movement in an axial direction and radial displacement urged by sliding engagement of the inclined outer surfaces with the inner wall of the inclined wall hole. A flange is disposed at the second end of the nut body and extends inward of the second diameter to define a bolt insertion aperture, through which the bolt passes during application of the nut body to the bolt, and thereby retains the nut segments between the guide posts. A spring is disposed between the stop flange and the nut segments to bias the nut segments toward the second end of the nut body.
REFERENCES:
patent: 2814324 (1957-11-01), Shur
patent: 3075622 (1963-01-01), Attwood
patent: 3151652 (1964-10-01), Zahodiakin
patent: 3157215 (1964-11-01), Zahodiakin
patent: 4197783 (1980-04-01), Lankelot, III et al.
patent: 4378187 (1983-03-01), Fullerton
patent: 5468105 (1995-11-01), Iwamoto
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