Patent ID: 8187041

Claim:
A coupling connector comprising: a plurality of connector housings stacked vertically on each other and coupled to each other, the connector housings including: terminal housing chambers configured to have terminals inserted into the terminal housing chambers of the connector housings from the rear ends thereof, each terminal having a constricted portion, insertion recessed portions arranged on a mating wall of one of the connector housings and a mating wall of the other connector housing among a pair of the connector housings directly stacked on each other, and terminal engaging projection portions which are arranged on the mating wall of the one of the connector housings and the mating wall of the other connector housing, are insertable into the insertion recessed portions provided on the mating walls of the opposite-side connector housing opposite thereto when the connector housings are stacked on each other, engage with the constricted portions of the terminals inserted into the terminal housing chambers of the opposite-side connector housings by being individually inserted to a final engagement position, and inhibit rearward detachment of the terminals thus engaged.