Patent ID: 6491487
Filing Date: 2002-12-10
Classification: B23P,F16B,Y10T

Abstract:
A self-forging stud for installation in a host panel, said stud comprising:at least one shaft having a longitudinal axis; an annular flange extending radially from said shaft at a substantially right angle with respect to said longitudinal axis; a shoulder for engagement with the host panel, said shoulder having a top adjacent said shaft and a base adjacent to said flange, said shoulder extending radially from said shaft, said shoulder and said flange defining an undercut therebetween at said base such that a diameter of said shoulder is smaller at said base than at said top; and a forging collar having a central aperture and received in sleeve-like fashion over said shaft and retainingly engaged therewith, said forging collar including at an end most proximate to said annular flange a forging surface in deformable contact with said top of said shoulder and a first forging ring extending from said end toward said annular flange for forging the host panel into engagement with said undercut.