Lockable closure for a fuel tank filler pipe

Details Lockable closure for a fuel tank filler pipe Lockable closure for a fuel tank filler pipe

1994-02-10

1995-11-21

Boucher, Darnell M.

Locks

Special application

For closures

70158, 70165, 296 9722, 220 862, 220DIG33, B65D 4104, B65D 5514

Patent

active

054676215

ABSTRACT:
The closure includes a base adapted to be screwed into a fuel tank filler pipe and having a fill opening normally closed by a hinged flapper which is opened when a fuel nozzle is inserted into the fill opening. The base is shielded against being manually gripped and unscrewed from the filler pipe by a cover also having a fill opening and normally supported for free rotation on the base so that turning of the cover normally is ineffective to unscrew the base. When a key is inserted into the cover, it couples the cover and the base for rotation as a unit and thereby enables the base to be unscrewed from the filler pipe. The same key also is used to actuate a locking device for locking the flapper in its closed position.

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