| 摘要 |
A refueling cap assembly for opening and closing a filler neck of a fuel tank has a frame which is mounted to the filler neck of the fuel tank. A cover is pivotally mounted to the frame to move between open and closed positions for opening and closing the filler neck. A locking mechanism, having a locking body, is mounted to the frame for securing the cover to the filler neck in the closed position. The locking body moves between a locked position engaging a finger projecting from the cover to secure the cover to the filler neck, and a release position releasing the cover from the filler neck. The cap assembly is characterized by the locking body moveable in a flip flop manner and having a first abutment to retain the locking body in the locked position when the cover is in the closed position, and a second abutment to retain the locking body in the released position when the cover is in the open position. The locking body flip flops between the locked and released positions upon repeated engagement of the cover with the locking mechanism.
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