Interlock system for a gasoline dispensing nozzle

摘要: A dispensing nozzle assembly having a system for receiving the vapors displaced from motor vehicle gasoline tank when it is being filled and an interlock located in conjunction with latching collar on discharge spout of nozzle, preventing until inserted into fillpipe. The includes valve mounted such manner that actuated by weight resting upon fillpipe inlet. interconnected automatic shut-off so its open position, signifying properly fillpipe, permitted.