| 摘要 |
<p>A locking system for locking a stopper incorporated into the top of a fuel tank filler pipe, the stopper allowing the pipe to be opened automatically via action of a fuel dispensing nozzle. The stopper is retractable under action of a thrust directed against the stopper along an axis parallel to the axis of the top of the pipe, and is secured to a return spring that keeps the stopper in the closed position. The system includes a rotary ring configured to prevent movement of the stopper via a bayonet system, and rotary movement of which is brought about using a key.</p> |
