Clinch nut and method of installing same

Details Clinch nut and method of installing same Clinch nut and method of installing same

1980-10-01

1983-02-01

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29520, 29407, 411180, B21D 3900, B23P 1100

Patent

active

043707947

ABSTRACT:
A clinch nut having a projecting rectangular pilot and opposed laterally extending flanges. The side edges of the pilot are inclined inwardly from the pilot end face and the flanges have opposed projecting abutment portions extending laterally from the inclined pilot faces to an edge spaced from the side faces of the flanges. The method includes punching a rectangular opening in a panel to receive the nut pilot and ramming the nut abutment portions against the panel to deform the panel beneath the inclined pilot side faces. The nut and nut ram-die are configured to fully seat the nut and fill the spaces beneath the pilot side faces.

REFERENCES:
patent: 2486769 (1949-11-01), Watson, Jr.
patent: 2722259 (1955-11-01), Eckenbeck et al.
patent: 2749606 (1956-06-01), Donahue
patent: 2987811 (1961-06-01), Acres
patent: 3000420 (1961-09-01), Spokes
patent: 3133579 (1964-05-01), Grimm et al.
patent: 3186284 (1965-06-01), Bennett
patent: 3242962 (1966-03-01), Dupree
patent: 3311148 (1967-03-01), Leitner
patent: 3443617 (1969-05-01), Whiteside et al.

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