Lock nut

Details Lock nut Lock nut

1988-03-23

1991-06-04

Smith, Gary L.

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

411260, 411405, 411432, F16B 39284

Patent

active

050209531

ABSTRACT:
A lock nut with a nut and an annular flat plate made of resilient material, the annular flat plate having a circumferential periphery and an arcuate protrusion, wherein the circumferential periphery is secured on one surface of the nut, and the arcuate protrusion is extended inwardly from an inner circumference of the circumferential periphery integrally over one-half or more of the inner circumference so as to contact the threaded surface of a male thread onto which the nut is screwed.

REFERENCES:
patent: 915830 (1909-03-01), Craven
patent: 1457592 (1923-06-01), Murray
patent: 2265905 (1941-12-01), Hesse et al.
patent: 2295234 (1942-09-01), Poupitch
patent: 2379980 (1945-07-01), Miller
patent: 2432805 (1947-12-01), Robertson
patent: 2439253 (1948-04-01), Kendrick
patent: 3003379 (1961-10-01), Pribitzer
patent: 3400742 (1968-09-01), Nakabayashi
patent: 4006660 (1977-02-01), Yamamoto
patent: 4139038 (1979-02-01), Haussermann

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