Coverless lockable neck closure for motor vehicle tank, has upper cover blocked in closed condition using locking unit which is designed in such a manner that fuel nozzle is unlockable in dependence of outlet pipe during filling with fuel

摘要

The closure has a lower sealing cap (2) arranged in a pipe unit (1), and a closure mechanism (3) above the cap. An upper filling hole (5) exhibits an upper cover (6) that partially covers the hole in a closed condition. The cover is blocked in the closed condition using a locking unit (7). The locking unit is designed in such a manner that a fuel nozzle is unlockable in dependence of a fuel nozzle outlet pipe (4) during filling with suitable fuel.