Filling neck for fuel container of motor vehicle, comprises support ridges which have an undercut in the radial direction to the ratchet brace

摘要

The filling neck (1) comprises support ridges (3c) which have an undercut (14) in the radial direction to the ratchet brace (10). The ratchet brace can be moved elastically in the radial direction to the support ridges. The ratchet brace projects through a recess (11) into the closure flap (9) and holds it.