A compact pair of electrical connectors are provided with a cover that os automatically openable. The connectors include housings (1, 21). When the connection of the housings (1, 21) is started, a pushed-up portion (61) is moved along a guide surface (65) of a push-up plate (64), thereby gradually opening...http://www.google.com/patents/US6135802?utm_source=gb-gplus-sharePatent US6135802 - Cover-equipped connector
