A connector assembly is disclosed which includes first and second mating connector members, and a coupling ring carried by one of the connector members for moving the other connector member axially into mating relation therewith. A visual and tactile indicating assembly is operatively associated with...http://www.google.com.au/patents/US4290662?utm_source=gb-gplus-sharePatent US4290662 - Connector assembly with visual, tactile and audible indication
