A contact face 16 of a rib 15 is arranged to be inclined downwards with respect to the fitting direction of connector housings 10,20. Detecting terminal fittings 14 make contact with the contact face 16 and are resiliently bent in a predetermined manner. If the rib 15 should be bent away from the detecting...http://www.google.es/patents/US6045395?utm_source=gb-gplus-sharePatente US6045395 - Lock detecting connector
