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US 7,000,657 B1Granted
Interlocking fuel nozzle
OwnerDouglas G. Thorpe, Norwood Thorpeinventors
Life of this patent
Estimating the term…
Abstract
Drive off is prevented by having a grasp assembly engage the restrictor plate of the fill pipe of a motor vehicle when the nozzle spout is inserted. After the fuel pump is started and pressure is placed on the fuel, fuel is admitted into the nozzle by pressing on the hand lever to open the poppet valve. Fuel pressure in the nozzle activates a lock actuator system, to prevent removal of the spout from the fill pipe, by a lock system that prevents a grasp assembly latch from retracting from the fill pipe restrictor plate.
Claims17
An interlocking fuel nozzle comprising:
- a grasp means including an interlocking lever adjacent a fuel nozzle spout outer end for attaching said fuel nozzle spout in a fill pipe;
- a fuel pressure operated actuator means for locking said grasp means to said fill pipe;
- a locking means between said actuator means and said grasp means for controlling locking of said interlocking lever and fuel nozzle spout to said fill pipe.
Dependencies are inferred from the claim text.