Connector fitting construction with side ribs and corresponding side rib-receiving portions

Claim 1

A connector fitting construction comprising: a first connector comprising a first housing including a first terminal receiving chamber into which a first terminal is insertable; a second connector comprising a second housing including a second terminal receiving chamber into which a second terminal is insertable, and a resilient member provided in the second housing, wherein the first connector and the second connector are fittable to each other so that the first terminal and the second terminal are connected with each other, and a half-fitted condition between the first connector and the second connector is prevented by a resilient force of the resilient member; side ribs formed respectively on opposite sides of the first housing, the side ribs extending in a connector fitting direction; and side rib-receiving portions respectively receiving the side ribs when the first connector and the second connector are fitted to each other, the side rib-receiving portions being formed in an inner surface of the second housing; wherein the second connector further comprises an inner housing provided on the second housing, the first connector further comprises a housing insertion opening into which the inner housing of the second connector is insertable, and a bracket formed on an outer surface of the first housing, the bracket serving as one side wall of the housing insertion opening and a notch is formed in one side wall of the second housing corresponding to the bracket.