Patent ID: 7165312

Claim:
A method of attaching a locator stud on a panel comprising the following steps: forming a locator stud including a shank portion at one end and a solid flange portion at an opposed end integral with and coaxially aligned with said shank portion, said solid flange portion having a diameter greater than said shank portion, a radial annular bearing surface surrounding said shank portion and an end face opposite said radial annular bearing surface; forming an opening in said panel with said opening having a diameter greater than said flange portion of said locator stud; inserting said solid flange portion of said locator stud in said panel opening with said radial annular bearing surface projecting through one end of said panel opening and said end face of said solid flange portion projecting through an opposed end of said panel opening; driving a plunger toward said panel, said plunger including an opening receiving said shank portion, a first annular die surface surrounding said opening of said plunger coaxially aligned with said annular bearing surface, said first annular die surface deforming said annular bearing surface radially outwardly against said panel, and said plunger including second projecting annular die surface surrounding said first annular die surface against said panel surrounding said panel opening, said projecting second annular die surface deforming said panel radially inwardly against an outer concave surface of said flange portion, locking said flange portion in said opening of said panel.