Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Fastener – or coaxial adjunct therefor – having sidewardly...
Patent
1994-07-15
1996-07-09
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Fastener, or coaxial adjunct therefor, having sidewardly...
411121, 411150, F16B 3910, F16B 3924
Patent
active
055338496
ABSTRACT:
A self-locking nut for application to a threaded shaft, especially a wheel bearing nut. The shaft has a spline groove along its thread. A cup-like thrust washer fits on the shaft with a tang in the spline grove to prevent its rotation. It has retention grooves in its wall. A lock ring is slidably retained in the washer with tangs in the retention grooves. A bias spring is fitted between the washer and the lock ring. An internally threaded nut is threaded to the shaft and has a depending neck passing through the lock ring having a bearing surface to bear against the washer, and an outward deformation which prevents removal of the nut from the lock ring.
REFERENCES:
patent: 292513 (1884-01-01), Shailer
patent: 324174 (1885-08-01), Shailer
patent: 3581609 (1971-06-01), Greenwood
patent: 3851690 (1974-12-01), Wing et al.
patent: 4534101 (1985-08-01), Rosan, Jr.
patent: 4812094 (1989-03-01), Gruge
patent: 4971501 (1990-11-01), Chavez
patent: 5180265 (1993-01-01), Wiese
patent: 5362111 (1994-11-01), Harbin
Hi-Shear Corporation
Mon Donald D.
Wilson Neill R.
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