Patent ID: 7082972
Filing Date: 2006-08-01
Classification: B67D

Abstract:
1. A fuel dispensing nozzle, comprising a nozzle body with a liquid fuel delivery spout, the nozzle body and the spout together defining a passageway in communication with a hose connected to a fuel dispenser for delivery of liquid fuel from the dispenser, through the spout and into a fill pipe of a vehicle fuel tank; a boot surrounding the spout and defining a boot outer rim disposed for engagement with a surface surrounding the fill pipe; a fuel valve disposed within the nozzle body for starting and stopping flow of liquid fuel through the passageway, the fuel valve actuatable by an operating lever mounted to a forward pivot rod extending in telescoping relationship from a lower rod portion of a latch pin assembly, the latch pin assembly comprising a resilient diaphragm associated with the lower rod portion and disposed for movement between a first position resisting opening of the fuel valve and a second position permitting opening of the fuel valve; an anti-spitting lockout assembly restricting movement of the diaphragm axially of the latch pin assembly from the first position resisting opening of the fuel valve for flow of liquid fuel through the passageway, the anti-spitting lockout assembly comprising a lift cam arm assembly mounted for movement in a plane generally parallel to the resilient diaphragm and perpendicular to the axis of the latch pin assembly, between a first, engaged position latching the latch pin assembly against axial movement, thereby to resist opening of the fuel valve, and a second, removed position permitting axial movement of the latch pin assembly, thereby to permit opening of the fuel valve; and a linkage assembly responsive to engagement of the boot outer rim with the surface surrounding a vehicle fill pipe, signaling insertion of the spout into the vehicle fill pipe, to trigger release of the anti-spitting lockout assembly, thereby to permit opening of fuel valve.