A novel press-fit electrically-conductive contact member, as, for example, an electrically-conductive metal pin, characterized by a conforming section which has an elastically-deformable region which acts as a spring and which is adapted to engage a substrate hole in a press-fitting relationship. The...http://www.google.fr/patents/US5893779?utm_source=gb-gplus-shareBrevet US5893779 - Conforming press-fit contact pin for printed circuit board
Conforming press-fit contact pin for printed circuit board