Patent ID: 7112024
Filing Date: 2006-09-26
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 surrounding said pilot portion and an annular panel support face surrounding said annular groove, said annular groove including an inner wall adjacent said pilot portion, a bottom wall and an outer side wall, and a plurality of circumferentially spaced generally radial ribs each having a planar top face, comprising a first plurality of circumferentially spaced ribs integral with said outer side wall extending beyond a midportion of said bottom wall and spaced from said inner side wall of said annular groove and a second plurality of circumferentially spaced ribs integral with said inner side wall extending beyond said midportion of said bottom wall and spaced from said outer side wall of said annular groove, such that said first and second plurality of circumferentially spaced ribs overlap at said midportion of said bottom wall.