A connector is provided with a highly reliable lock arm. The connector includes a slider (20) formed to move between a displacement permitting position to a forcible displacement position. The slider (20) and a lock arm (17) are provided with pushing portions (24) and a pushable portion (18), respectively....http://www.google.co.uk/patents/US6319041?utm_source=gb-gplus-sharePatent US6319041 - Connector with positive locking features
