CLOSURE SYSTEM FOR FUEL TANK FILLING PIPE

摘要

Closure system for the head of a fuel tank filling pipe, the said system comprising : an essentially circular closure piece provided with a relief; and a moving part for (un)locking the closure piece by a rotational movement about the axis of the closure piece, the said moving part having a relief (1, 2, 3, 4, 5) able to engage with the relief of the closure piece by means of a bayonet system, the said reliefs being of a symmetrical shape allowing continuous rotation in both the clockwise and anticlockwise directions of the moving part relative to the closure piece.