US Patent 7168981 Connector

A connector comprising: a connection terminal; a connector housing having a terminal receiving chamber in which said connection terminal is inserted and a lance that is elastically deformable to engage the connection terminal in the connector housing; and a front holder supported on a front end portion of said terminal receiving chamber so as to be movable along said inserting direction; wherein said front holder is pressed by a mating connector to be moved in the opposite direction in accordance with a fitting movement of said connector relative to said mating connector; andwhen said connector is completely fitted relative to said mating connector, said front holder abuts against said connection terminal, and cooperates with said lance to hold said connection terminal therebetween.