Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent
1984-12-24
1990-11-20
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Nut, and means to engage substructure on its opposite faces...
411180, F16B 3704
Patent
active
049714996
ABSTRACT:
A flush mountable pierce nut including a rectangular pilot portion, flange portions on opposed sides of the pilot portion and parallel re-entrant grooves defined in the flange portions on opposed sides of the pilot portion, wherein the areas of the fracture planes through the axis of the nut and generated from the nut grooves are generally equal pursuant to a predetermined dimensional relationship, thereby minimizing the material costs of the nut fastener while maintaining the optimum strength of the fastener in a proof load condition.
REFERENCES:
patent: 3439723 (1969-04-01), Double et al.
patent: 3648747 (1972-03-01), Steward
patent: 3711931 (1973-01-01), Ladouceur et al.
patent: 3845860 (1974-11-01), Ladouceur et al.
patent: 3878599 (1975-04-01), Ladouceur et al.
patent: 3926236 (1975-12-01), Pouch et al.
patent: 4313261 (1982-02-01), Ladouceur
Gossett Dykema
Wilson Neill R.
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