Patent ID: 7112025
Filing Date: 2006-09-26
Classification: B21K,B23P,F16B

Abstract:
1. A self-attaching nut for attachment to a panel, comprising: a central pilot portion having a bore theretlirough and an annular end face surrounding said bore; a flange portion surrounding said pilot portion including an annular end face; an annular groove in said annular end face of said flange portion including a bottom wall spaced below a plane of said annular end face of said flange portion extending generally perpendicular to an axis of said bore, an inner side wall defining an outer surface of said pilot portion, and an inclined outer side wall inclined from said bottom wall toward said pilot portion forming a restricted opening to said annular groove adjacent said annular end face of said flange portion; and said bottom wall of said annular groove including a plurality of circumferentially spaced radial ribs integral with said inclined outer side wall of said annular groove spaced below said annular end face of said flange portion extending radially beyond a midportion of said bottom wall including an inclined planar top face extending radially from said inclined outer side wall of said annular groove to said bottom wall spaced from said inner side wall and said pilot portion, said radial ribs including side walls extending from said inclined planar top face to said bottom wall of said annular groove, said inclined top face of said radial ribs deforming panel radially inwardly against said pilot portion.