Patent ID: 7153075

Claim:
A press fit fastener, comprising: a shank having an axis, a first end and a second end; a head being located at the first end of said shank; a press fit portion being located at said shank, said press fit portion having an outer diameter and including a multiple helical profile, said multiple helical profile having fully formed multiple threads, each thread having at least one full thread revolution about the axis of said shank, said helical profile having a beginning portion and an inclination portion having an increasing outer diameter, the outer diameter of said inclination portion being designed to increase in a direction towards said head to reach a maximum outer diameter, the maximum outer diameter of said inclination portion being spaced apart from said head; a cylindrical centering section having an outer diameter, said cylindrical centering section being located next to said beginning portion of said helical profile, the outer diameter of said cylindrical centering section being smaller than the minimum outer diameter of said helical profile in the beginning portion; and a conical portion having an outer diameter, said conical portion being located next to said cylindrical centering portion, said conical portion being designed and arranged to taper in a direction towards said second end such that the diameter of said conical portion increases towards said cylindrical centering section.