Automatic closure lid for fuel tank filler on road vehicle has sealing ring on spring-loaded sealing cap with locking element mounted off-center in plug in enlarged end of filler neck

摘要

The automatic closure lid and locking element (2) is for a fuel tank filler (1) on a road vehicle. It has a spring-loaded (16) sealing cap (13) mounted off-center in a plug (10) in the enlarged end (3) of the filler neck. There is a sealing ring (57) on the flat flange of the sealing cap, which has an elongated stem surrounded by the spring. The spring engages a guide housing (17) and urges the sealing cap toward its closed position. There is a locking mechanism with a ring (14). The cap is hinged to the plug.