Patent ID: 7258518
Filing Date: 2007-08-21
Classification: B01D,B21K,F01N,F16B,Y02T

Abstract:
1. A self-attaching nut for attachment to a panel, comprising: a body portion having an end face; a central pilot portion projecting from said end face of said body portion having a bore therethrough; an annular groove in said end face of said body portion generally surrounding said pilot portion including a bottom wall extending substantially perpendicular to an axis of said bore, an inclined outer side wall inclined from said bottom wall toward said pilot portion and an inclined inner side wall inclined toward said outer side wall; and a plurality of generally radial ribs integral with and projecting from said bottom wall of said annular groove integrally joined to one of said inclined inner and outer side walls below said end face of said body portion, each of said radial ribs having an inclined planar top face inclined from said one of said inclined inner and outer side walls to said bottom wall of said annular groove to adjacent an opposed inclined side wall beyond a midportion of said bottom wall and planar side faces extending at an acute angle to said bottom wall, whereby panel deformed against said inclined planar top face of said generally radial ribs and said bottom wall of said annular groove is deformed radially beneath said inclined inner and outer side walls of said annular groove and against said side faces of said ribs.