Interlock system for a gasoline dispensing nozzle

Details Interlock system for a gasoline dispensing nozzle Interlock system for a gasoline dispensing nozzle

1975-11-25

1977-03-15

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141208, B65B 5706

Patent

active

040118975

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

REFERENCES:
patent: 3911973 (1975-10-01), Casteline

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