US Patent 10103462 Card-edge connector assembly having card guide modules

A card edge connector assembly includes a card edge connector having a housing defining a card slot for a circuit card and having a base mounted to a host circuit board and including mounting lugs having datum surfaces. The assembly includes card guide modules coupled to the housing each having a base secured to the host circuit board and a support beam extending from the base for supporting the circuit card. The base includes a locating cavity that receives the mounting lug and locating surfaces that engage the datum surfaces to register the card guide modules relative to the housing.