US Patent 7261601 Electrical connector assembly

An electrical connector assembly comprises a receptacle connector having a receptacle housing and a plurality of receptacle contacts, and a plug connector engaging with the receptacle connector. Said receptacle housing defines a space and a plurality of alternate channels and slots in two lateral sidewalls beside the space. Said receptacle contacts each has a retaining portion and a first elastic portion with a first contacting portion, which are both transversely extending and respectively disposed in the slot and the channel of the receptacle housing, with the first contacting portion exposed in the space. The plug connector inserts into the space of the receptacle connector and electrically contacts with the receptacle contacts.