US Patent 10236605 Electrical connector system with mating guidance features

A connector system includes a first connector and a second connector. The first connector includes a plug housing that holds a circuit card. The plug housing includes a tongue portion extending to a mating end of the plug housing. The circuit card protrudes beyond the mating end. The plug housing includes a rail disposed along an outer surface of the tongue portion. The second connector includes a receptacle housing that defines a card slot configured to receive the circuit card of the first connector therein. The second connector includes a shell mounted to the receptacle housing. The shell protrudes beyond a mating end of the receptacle housing to define a receptacle that receives the tongue portion of the plug housing therein. The shell defines a guide channel configured to receive the rail of the plug housing therein as the tongue portion enters the receptacle.