Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Patent
1996-02-16
1997-04-15
Meyers, Steven N.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed fastener element with securing means and biasing spring
411550, 411549, 411553, F16B 1900
Patent
active
056202911
ABSTRACT:
A device used to fasten and retain two or more conducting elements with sufficient normal force to insure a reliable electrical contact. The device consists of three individual parts: a bolt, a nut, and a spring washer. The bolt of this invention differs from conventional bolts in that it has no threads and has a keying feature. The nut is distinguishable from a standard nut in that it also has no typical thread, but has a keying feature and internal ramps. The spring washer provides a linear increase in force proportional to deflection. Like the bolt and nut, the spring washer also has a keying feature.
REFERENCES:
patent: 1895826 (1933-01-01), Trudeau
patent: 2260048 (1941-10-01), Newell
patent: 2282360 (1942-05-01), Horrocks
patent: 2314368 (1943-03-01), Poupitch
patent: 2372496 (1945-03-01), Huelster
patent: 2839808 (1958-06-01), Zahodiakin
Hayes Earl J.
Porter Jason E.
Spadoni Stefano
Alcoa Fujikura Ltd.
Beiriger Tracey D.
Conley Fredrick
Meyers Steven N.
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