A low insertion force compliant pin is provided for solderless connection to a printed circuit board in which the pin is provided with an enlarged contact portion, a reduced-diameter shank, and one or more slots through the contact portion and the shank such that when the pin is inserted into a solder...http://www.google.fr/patents/US4526429?utm_source=gb-gplus-shareBrevet US4526429 - Compliant pin for solderless termination to a printed wiring board
Compliant pin for solderless termination to a printed wiring board